157650640227 has 16 divisors (see below), whose sum is σ = 238525793280. Its totient is φ = 102864246696.

The previous prime is 157650640219. The next prime is 157650640291. The reversal of 157650640227 is 722046056751.

157650640227 is a `hidden beast` number, since 1 + 576 + 50 + 6 + 4 + 0 + 2 + 27 = 666.

It is not a de Polignac number, because 157650640227 - 2³ = 157650640219 is a prime.

It is a super-2 number, since 2×157650640227² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157650648227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62114823 + ... + 62117360.

It is an arithmetic number, because the mean of its divisors is an integer number (14907862080).

Almost surely, 2^157650640227 is an apocalyptic number.

157650640227 is a deficient number, since it is larger than the sum of its proper divisors (80875153053).

157650640227 is a wasteful number, since it uses less digits than its factorization.

157650640227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124232239 (or 124232233 counting only the distinct ones).

The product of its (nonzero) digits is 705600, while the sum is 45.

Adding to 157650640227 its reverse (722046056751), we get a palindrome (879696696978).

The spelling of 157650640227 in words is "one hundred fifty-seven billion, six hundred fifty million, six hundred forty thousand, two hundred twenty-seven".