157016631 has 4 divisors (see below), whose sum is σ = 209355512. Its totient is φ = 104677752.

The previous prime is 157016617. The next prime is 157016633. The reversal of 157016631 is 136610751.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 136610751 = 3 ⋅45536917.

It is not a de Polignac number, because 157016631 - 2¹⁷ = 156885559 is a prime.

It is a super-2 number, since 2×157016631² = 49308444821180322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157016633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26169436 + ... + 26169441.

It is an arithmetic number, because the mean of its divisors is an integer number (52338878).

Almost surely, 2^157016631 is an apocalyptic number.

157016631 is a deficient number, since it is larger than the sum of its proper divisors (52338881).

157016631 is an equidigital number, since it uses as much as digits as its factorization.

157016631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52338880.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 157016631 is about 12530.6277177163. The cubic root of 157016631 is about 539.4881191798.

The spelling of 157016631 in words is "one hundred fifty-seven million, sixteen thousand, six hundred thirty-one".