10656247641 has 32 divisors (see below), whose sum is σ = 16541965440. Its totient is φ = 6044626944.

The previous prime is 10656247633. The next prime is 10656247699. The reversal of 10656247641 is 14674265601.

It is not a de Polignac number, because 10656247641 - 2³ = 10656247633 is a prime.

It is a super-2 number, since 2×10656247641² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10656247593 and 10656247602.

It is not an unprimeable number, because it can be changed into a prime (10656247621) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166920 + ... + 221753.

It is an arithmetic number, because the mean of its divisors is an integer number (516936420).

Almost surely, 2^10656247641 is an apocalyptic number.

It is an amenable number.

10656247641 is a deficient number, since it is larger than the sum of its proper divisors (5885717799).

10656247641 is a wasteful number, since it uses less digits than its factorization.

10656247641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388745.

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 10656247641 in words is "ten billion, six hundred fifty-six million, two hundred forty-seven thousand, six hundred forty-one".