157172400006 has 16 divisors (see below), whose sum is σ = 314423650800. Its totient is φ = 52377658208.

The previous prime is 157172399983. The next prime is 157172400017. The reversal of 157172400006 is 600004271751.

It is a self number, because there is not a number n which added to its sum of digits gives 157172400006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3259521 + ... + 3307388.

It is an arithmetic number, because the mean of its divisors is an integer number (19651478175).

Almost surely, 2^157172400006 is an apocalyptic number.

157172400006 is an abundant number, since it is smaller than the sum of its proper divisors (157251250794).

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

157172400006 is a wasteful number, since it uses less digits than its factorization.

157172400006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6570903.

The product of its (nonzero) digits is 11760, while the sum is 33.

Adding to 157172400006 its reverse (600004271751), we get a palindrome (757176671757).

The spelling of 157172400006 in words is "one hundred fifty-seven billion, one hundred seventy-two million, four hundred thousand, six".