101657400052 has 48 divisors (see below), whose sum is σ = 200906652240. Its totient is φ = 44680301568.

The previous prime is 101657399971. The next prime is 101657400073. The reversal of 101657400052 is 250004756101.

It can be written as a sum of positive squares in 8 ways, for example, as 26710672356 + 74946727696 = 163434^2 + 273764^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101657399987 and 101657400023.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351643 + ... + 571810.

It is an arithmetic number, because the mean of its divisors is an integer number (4185555255).

Almost surely, 2^101657400052 is an apocalyptic number.

It is an amenable number.

101657400052 is a deficient number, since it is larger than the sum of its proper divisors (99249252188).

101657400052 is a wasteful number, since it uses less digits than its factorization.

101657400052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923572 (or 923570 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 31.

The spelling of 101657400052 in words is "one hundred one billion, six hundred fifty-seven million, four hundred thousand, fifty-two".