9156706645 has 16 divisors (see below), whose sum is σ = 11553300720. Its totient is φ = 6956812800.

The previous prime is 9156706639. The next prime is 9156706673. The reversal of 9156706645 is 5466076519.

It can be written as a sum of positive squares in 8 ways, for example, as 156200004 + 9000506641 = 12498^2 + 94871^2 .

It is not a de Polignac number, because 9156706645 - 2³³ = 566772053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 508776 + ... + 526465.

It is an arithmetic number, because the mean of its divisors is an integer number (722081295).

Almost surely, 2^9156706645 is an apocalyptic number.

It is an amenable number.

9156706645 is a deficient number, since it is larger than the sum of its proper divisors (2396594075).

9156706645 is a wasteful number, since it uses less digits than its factorization.

9156706645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035336.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The square root of 9156706645 is about 95690.6821221377. The cubic root of 9156706645 is about 2092.0871258440.

The spelling of 9156706645 in words is "nine billion, one hundred fifty-six million, seven hundred six thousand, six hundred forty-five".