9161552656 has 15 divisors (see below), whose sum is σ = 17751250101. Its totient is φ = 4580584896.

The previous prime is 9161552651. The next prime is 9161552657. The reversal of 9161552656 is 6562551619.

The square root of 9161552656 is 95716.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 6322794256 + 2838758400 = 79516^2 + 53280^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9161552651) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 370900 + ... + 394828.

Almost surely, 2^9161552656 is an apocalyptic number.

9161552656 is the 95716-th square number.

It is an amenable number.

9161552656 is a deficient number, since it is larger than the sum of its proper divisors (8589697445).

9161552656 is an frugal number, since it uses more digits than its factorization.

9161552656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47866 (or 23931 counting only the distinct ones).

The product of its digits is 486000, while the sum is 46.

The cubic root of 9161552656 is about 2092.4561263900.

The spelling of 9161552656 in words is "nine billion, one hundred sixty-one million, five hundred fifty-two thousand, six hundred fifty-six".