124651663656 has 64 divisors (see below), whose sum is σ = 341102334720. Its totient is φ = 37725592320.

The previous prime is 124651663649. The next prime is 124651663667. The reversal of 124651663656 is 656366156421.

It is a junction number, because it is equal to n+sod(n) for n = 124651663599 and 124651663608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3255760 + ... + 3293823.

It is an arithmetic number, because the mean of its divisors is an integer number (5329723980).

Almost surely, 2^124651663656 is an apocalyptic number.

It is an amenable number.

124651663656 is an abundant number, since it is smaller than the sum of its proper divisors (216450671064).

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

124651663656 is a wasteful number, since it uses less digits than its factorization.

124651663656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6549666 (or 6549662 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 51.

The spelling of 124651663656 in words is "one hundred twenty-four billion, six hundred fifty-one million, six hundred sixty-three thousand, six hundred fifty-six".