157629951 has 6 divisors (see below), whose sum is σ = 227687720. Its totient is φ = 105086628.

The previous prime is 157629949. The next prime is 157629961. The reversal of 157629951 is 159926751.

157629951 is a `hidden beast` number, since 1 + 576 + 29 + 9 + 51 = 666.

It is not a de Polignac number, because 157629951 - 2¹ = 157629949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157629897 and 157629906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157629911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8757211 + ... + 8757228.

Almost surely, 2^157629951 is an apocalyptic number.

157629951 is a deficient number, since it is larger than the sum of its proper divisors (70057769).

157629951 is a wasteful number, since it uses less digits than its factorization.

157629951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17514445 (or 17514442 counting only the distinct ones).

The product of its digits is 170100, while the sum is 45.

The square root of 157629951 is about 12555.0767022747. The cubic root of 157629951 is about 540.1896350430.

The spelling of 157629951 in words is "one hundred fifty-seven million, six hundred twenty-nine thousand, nine hundred fifty-one".