10656645412 has 48 divisors (see below), whose sum is σ = 21627204480. Its totient is φ = 4499995392.

The previous prime is 10656645383. The next prime is 10656645413. The reversal of 10656645412 is 21454665601.

It is a super-2 number, since 2×10656645412² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10656645413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2669514 + ... + 2673502.

It is an arithmetic number, because the mean of its divisors is an integer number (450566760).

Almost surely, 2^10656645412 is an apocalyptic number.

It is an amenable number.

10656645412 is an abundant number, since it is smaller than the sum of its proper divisors (10970559068).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10656645412 is a wasteful number, since it uses less digits than its factorization.

10656645412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380 (or 5378 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The spelling of 10656645412 in words is "ten billion, six hundred fifty-six million, six hundred forty-five thousand, four hundred twelve".