157270162272 has 96 divisors (see below), whose sum is σ = 437851008000. Its totient is φ = 49256982528.

The previous prime is 157270162253. The next prime is 157270162369. The reversal of 157270162272 is 272261072751.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×157270162272² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897129 + ... + 1058007.

It is an arithmetic number, because the mean of its divisors is an integer number (4560948000).

Almost surely, 2^157270162272 is an apocalyptic number.

157270162272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157270162272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218925504000).

157270162272 is an abundant number, since it is smaller than the sum of its proper divisors (280580845728).

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

157270162272 is a wasteful number, since it uses less digits than its factorization.

157270162272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161508 (or 161500 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 42.

The spelling of 157270162272 in words is "one hundred fifty-seven billion, two hundred seventy million, one hundred sixty-two thousand, two hundred seventy-two".