216157532 has 24 divisors (see below), whose sum is σ = 398714400. Its totient is φ = 102380096.

The previous prime is 216157531. The next prime is 216157537. The reversal of 216157532 is 235751612.

216157532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (216157531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11432 + ... + 23727.

It is an arithmetic number, because the mean of its divisors is an integer number (16613100).

Almost surely, 2^216157532 is an apocalyptic number.

It is an amenable number.

216157532 is a deficient number, since it is larger than the sum of its proper divisors (182556868).

216157532 is a wasteful number, since it uses less digits than its factorization.

216157532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35245 (or 35243 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 216157532 is about 14702.2968273668. The cubic root of 216157532 is about 600.1458275173.

The spelling of 216157532 in words is "two hundred sixteen million, one hundred fifty-seven thousand, five hundred thirty-two".