124161403644 has 72 divisors (see below), whose sum is σ = 326875112928. Its totient is φ = 39701370240.

The previous prime is 124161403633. The next prime is 124161403657. The reversal of 124161403644 is 446304161421.

124161403644 is a `hidden beast` number, since 1 + 2 + 4 + 1 + 6 + 1 + 4 + 0 + 3 + 644 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 124161403599 and 124161403608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 561867 + ... + 751010.

It is an arithmetic number, because the mean of its divisors is an integer number (4539932124).

Almost surely, 2^124161403644 is an apocalyptic number.

It is an amenable number.

124161403644 is an abundant number, since it is smaller than the sum of its proper divisors (202713709284).

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

124161403644 is a wasteful number, since it uses less digits than its factorization.

124161403644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1312995 (or 1312990 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 124161403644 in words is "one hundred twenty-four billion, one hundred sixty-one million, four hundred three thousand, six hundred forty-four".