1151447616 has 168 divisors, whose sum is σ = 3721425120. Its totient is φ = 348860160.

The previous prime is 1151447611. The next prime is 1151447617. The reversal of 1151447616 is 6167441511.

1151447616 is a `hidden beast` number, since 1 + 151 + 447 + 61 + 6 = 666.

It is a super-2 number, since 2×1151447616² = 2651663224784166912, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1151447611) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206335 + ... + 211841.

It is an arithmetic number, because the mean of its divisors is an integer number (22151340).

Almost surely, 2^1151447616 is an apocalyptic number.

1151447616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151447616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1860712560).

1151447616 is an abundant number, since it is smaller than the sum of its proper divisors (2569977504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1151447616 is a wasteful number, since it uses less digits than its factorization.

1151447616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550 (or 5523 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 1151447616 is about 33932.9871364134. The cubic root of 1151447616 is about 1048.1289781628.

It can be divided in two parts, 115144 and 7616, that added together give a triangular number (122760 = T₄₉₅).

The spelling of 1151447616 in words is "one billion, one hundred fifty-one million, four hundred forty-seven thousand, six hundred sixteen".