216304026532 has 24 divisors (see below), whose sum is σ = 412962998112. Its totient is φ = 98315500800.

The previous prime is 216304026511. The next prime is 216304026551. The reversal of 216304026532 is 235620403612.

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, 974932 + ... + 1176052.

It is an arithmetic number, because the mean of its divisors is an integer number (17206791588).

Almost surely, 2^216304026532 is an apocalyptic number.

216304026532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

216304026532 is a deficient number, since it is larger than the sum of its proper divisors (196658971580).

216304026532 is a wasteful number, since it uses less digits than its factorization.

216304026532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225579 (or 225577 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The spelling of 216304026532 in words is "two hundred sixteen billion, three hundred four million, twenty-six thousand, five hundred thirty-two".