216085580876830 has 64 divisors (see below), whose sum is σ = 460827578585088. Its totient is φ = 71388887374080.

The previous prime is 216085580876821. The next prime is 216085580876849. The reversal of 216085580876830 is 38678085580612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 213182392 + ... + 214193611.

It is an arithmetic number, because the mean of its divisors is an integer number (7200430915392).

Almost surely, 2^{216085580876830} is an apocalyptic number.

216085580876830 is an abundant number, since it is smaller than the sum of its proper divisors (244741997708258).

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

216085580876830 is a wasteful number, since it uses less digits than its factorization.

216085580876830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427376281.

The product of its (nonzero) digits is 154828800, while the sum is 67.

The spelling of 216085580876830 in words is "two hundred sixteen trillion, eighty-five billion, five hundred eighty million, eight hundred seventy-six thousand, eight hundred thirty".