156666105100052 has 12 divisors (see below), whose sum is σ = 274415607072180. Its totient is φ = 78261645936576.

The previous prime is 156666105100019. The next prime is 156666105100093. The reversal of 156666105100052 is 250001501666651.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44987792802436 + 111678312297616 = 6707294^2 + 10567796^2 .

It is a junction number, because it is equal to n+sod(n) for n = 156666105099976 and 156666105100012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17851648427 + ... + 17851657202.

It is an arithmetic number, because the mean of its divisors is an integer number (22867967256015).

Almost surely, 2^{156666105100052} is an apocalyptic number.

It is an amenable number.

156666105100052 is a deficient number, since it is larger than the sum of its proper divisors (117749501972128).

156666105100052 is a wasteful number, since it uses less digits than its factorization.

156666105100052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35703306730 (or 35703306728 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 44.

The spelling of 156666105100052 in words is "one hundred fifty-six trillion, six hundred sixty-six billion, one hundred five million, one hundred thousand, fifty-two".