1144622016 has 140 divisors (see below), whose sum is σ = 3571905480. Its totient is φ = 361428480.

The previous prime is 1144621999. The next prime is 1144622057. The reversal of 1144622016 is 6102264411.

1144622016 is a `hidden beast` number, since 11 + 446 + 2 + 201 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92686 + ... + 104306.

Almost surely, 2^1144622016 is an apocalyptic number.

1144622016 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 1144622016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785952740).

1144622016 is an abundant number, since it is smaller than the sum of its proper divisors (2427283464).

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

1144622016 is a wasteful number, since it uses less digits than its factorization.

1144622016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11664 (or 11645 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1144622016 is about 33832.2629453012. The cubic root of 1144622016 is about 1046.0538245514.

Adding to 1144622016 its reverse (6102264411), we get a palindrome (7246886427).

The spelling of 1144622016 in words is "one billion, one hundred forty-four million, six hundred twenty-two thousand, sixteen".