10656169997 has 16 divisors (see below), whose sum is σ = 12142061568. Its totient is φ = 9257284080.

The previous prime is 10656169961. The next prime is 10656170047. The reversal of 10656169997 is 79996165601.

It is not a de Polignac number, because 10656169997 - 2¹⁶ = 10656104461 is a prime.

It is a super-2 number, since 2×10656169997² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10656169907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249128 + ... + 288750.

It is an arithmetic number, because the mean of its divisors is an integer number (758878848).

Almost surely, 2^10656169997 is an apocalyptic number.

It is an amenable number.

10656169997 is a deficient number, since it is larger than the sum of its proper divisors (1485891571).

10656169997 is a wasteful number, since it uses less digits than its factorization.

10656169997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40720.

The product of its (nonzero) digits is 5511240, while the sum is 59.

The spelling of 10656169997 in words is "ten billion, six hundred fifty-six million, one hundred sixty-nine thousand, nine hundred ninety-seven".