216157336 has 32 divisors (see below), whose sum is σ = 410572800. Its totient is φ = 106681120.

The previous prime is 216157273. The next prime is 216157391. The reversal of 216157336 is 633751612.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 250041 + ... + 250903.

It is an arithmetic number, because the mean of its divisors is an integer number (12830400).

Almost surely, 2^216157336 is an apocalyptic number.

It is an amenable number.

216157336 is a deficient number, since it is larger than the sum of its proper divisors (194415464).

216157336 is a wasteful number, since it uses less digits than its factorization.

216157336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239 (or 1235 counting only the distinct ones).

The product of its digits is 22680, while the sum is 34.

The square root of 216157336 is about 14702.2901617401. The cubic root of 216157336 is about 600.1456461240.

The spelling of 216157336 in words is "two hundred sixteen million, one hundred fifty-seven thousand, three hundred thirty-six".