1151656704 has 432 divisors, whose sum is σ = 4012535520. Its totient is φ = 328458240.

The previous prime is 1151656697. The next prime is 1151656771. The reversal of 1151656704 is 4076561511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (432).

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67744504 + ... + 67744520.

Almost surely, 2^1151656704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1151656704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2006267760).

1151656704 is an abundant number, since it is smaller than the sum of its proper divisors (2860878816).

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

1151656704 is an frugal number, since it uses more digits than its factorization.

1151656704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 1151656704 is about 33936.0678924356. The cubic root of 1151656704 is about 1048.1924165468.

The spelling of 1151656704 in words is "one billion, one hundred fifty-one million, six hundred fifty-six thousand, seven hundred four".