157171838208 has 576 divisors, whose sum is σ = 537207939072. Its totient is φ = 39612579840.

The previous prime is 157171838191. The next prime is 157171838281. The reversal of 157171838208 is 802838171751.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 536422510 + ... + 536422802.

It is an arithmetic number, because the mean of its divisors is an integer number (932652672).

Almost surely, 2^157171838208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157171838208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (268603969536).

157171838208 is an abundant number, since it is smaller than the sum of its proper divisors (380036100864).

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

157171838208 is a wasteful number, since it uses less digits than its factorization.

157171838208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 51.

The spelling of 157171838208 in words is "one hundred fifty-seven billion, one hundred seventy-one million, eight hundred thirty-eight thousand, two hundred eight".