157616481 has 16 divisors (see below), whose sum is σ = 230549760. Its totient is φ = 94987920.

The previous prime is 157616477. The next prime is 157616483. The reversal of 157616481 is 184616751.

It is not a de Polignac number, because 157616481 - 2² = 157616477 is a prime.

It is a super-2 number, since 2×157616481² = 49685910165646722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (157616483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7435 + ... + 19248.

It is an arithmetic number, because the mean of its divisors is an integer number (14409360).

Almost surely, 2^157616481 is an apocalyptic number.

157616481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

157616481 is a deficient number, since it is larger than the sum of its proper divisors (72933279).

157616481 is a wasteful number, since it uses less digits than its factorization.

157616481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26876.

The product of its digits is 40320, while the sum is 39.

The square root of 157616481 is about 12554.5402544259. The cubic root of 157616481 is about 540.1742476085.

The spelling of 157616481 in words is "one hundred fifty-seven million, six hundred sixteen thousand, four hundred eighty-one".