216376620 has 24 divisors (see below), whose sum is σ = 605854704. Its totient is φ = 57700416.

The previous prime is 216376597. The next prime is 216376661. The reversal of 216376620 is 26673612.

216376620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 1803079 + ... + 1803198.

It is an arithmetic number, because the mean of its divisors is an integer number (25243946).

Almost surely, 2^216376620 is an apocalyptic number.

216376620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

216376620 is an abundant number, since it is smaller than the sum of its proper divisors (389478084).

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

216376620 is a wasteful number, since it uses less digits than its factorization.

216376620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606289 (or 3606287 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 216376620 is about 14709.7457489924. The cubic root of 216376620 is about 600.3485197397.

The spelling of 216376620 in words is "two hundred sixteen million, three hundred seventy-six thousand, six hundred twenty".