10656156657 has 16 divisors (see below), whose sum is σ = 14828393088. Its totient is φ = 6794113920.

The previous prime is 10656156653. The next prime is 10656156727. The reversal of 10656156657 is 75665165601.

10656156657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10656156657 - 2² = 10656156653 is a prime.

It is a super-2 number, since 2×10656156657² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10656156653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691557 + ... + 706797.

It is an arithmetic number, because the mean of its divisors is an integer number (926774568).

Almost surely, 2^10656156657 is an apocalyptic number.

It is an amenable number.

10656156657 is a deficient number, since it is larger than the sum of its proper divisors (4172236431).

10656156657 is a wasteful number, since it uses less digits than its factorization.

10656156657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25400.

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 10656156657 in words is "ten billion, six hundred fifty-six million, one hundred fifty-six thousand, six hundred fifty-seven".