216402562600 has 48 divisors (see below), whose sum is σ = 575012527200. Its totient is φ = 74195163840.

The previous prime is 216402562589. The next prime is 216402562601. The reversal of 216402562600 is 6265204612.

216402562600 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (216402562601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77285230 + ... + 77288029.

It is an arithmetic number, because the mean of its divisors is an integer number (11979427650).

Almost surely, 2^216402562600 is an apocalyptic number.

216402562600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216402562600 is an abundant number, since it is smaller than the sum of its proper divisors (358609964600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216402562600 is a wasteful number, since it uses less digits than its factorization.

216402562600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154573282 (or 154573273 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 34.

The spelling of 216402562600 in words is "two hundred sixteen billion, four hundred two million, five hundred sixty-two thousand, six hundred".