9156465641 has 8 divisors (see below), whose sum is σ = 9259253640. Its totient is φ = 9053849088.

The previous prime is 9156465607. The next prime is 9156465653. The reversal of 9156465641 is 1465646519.

It can be written as a sum of positive squares in 4 ways, for example, as 282072025 + 8874393616 = 16795^2 + 94204^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9156465641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9156464641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66095 + ... + 150603.

It is an arithmetic number, because the mean of its divisors is an integer number (1157406705).

Almost surely, 2^9156465641 is an apocalyptic number.

It is an amenable number.

9156465641 is a deficient number, since it is larger than the sum of its proper divisors (102787999).

9156465641 is a wasteful number, since it uses less digits than its factorization.

9156465641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85723.

The product of its digits is 777600, while the sum is 47.

The square root of 9156465641 is about 95689.4228271861. The cubic root of 9156465641 is about 2092.0687711447.

The spelling of 9156465641 in words is "nine billion, one hundred fifty-six million, four hundred sixty-five thousand, six hundred forty-one".