157616212 has 18 divisors (see below), whose sum is σ = 297216654. Its totient is φ = 72704160.

The previous prime is 157616209. The next prime is 157616213. The reversal of 157616212 is 212616751.

It can be written as a sum of positive squares in 3 ways, for example, as 43639236 + 113976976 = 6606^2 + 10676^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157616213) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89662 + ... + 91402.

Almost surely, 2^157616212 is an apocalyptic number.

It is an amenable number.

157616212 is a deficient number, since it is larger than the sum of its proper divisors (139600442).

157616212 is an equidigital number, since it uses as much as digits as its factorization.

157616212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3499 (or 1756 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 157616212 is about 12554.5295411656. The cubic root of 157616212 is about 540.1739403078.

The spelling of 157616212 in words is "one hundred fifty-seven million, six hundred sixteen thousand, two hundred twelve".