10656118998 has 64 divisors (see below), whose sum is σ = 27326008320. Its totient is φ = 3015035136.

The previous prime is 10656118961. The next prime is 10656118999. The reversal of 10656118998 is 89981165601.

10656118998 is a `hidden beast` number, since 10 + 6 + 5 + 611 + 8 + 9 + 9 + 8 = 666.

It is a super-2 number, since 2×10656118998² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10656118999) 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, 97915 + ... + 175782.

It is an arithmetic number, because the mean of its divisors is an integer number (426968880).

Almost surely, 2^10656118998 is an apocalyptic number.

10656118998 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10656118998 is an abundant number, since it is smaller than the sum of its proper divisors (16669889322).

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

10656118998 is a wasteful number, since it uses less digits than its factorization.

10656118998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273818 (or 273812 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 54.

The spelling of 10656118998 in words is "ten billion, six hundred fifty-six million, one hundred eighteen thousand, nine hundred ninety-eight".