216797187614 has 16 divisors (see below), whose sum is σ = 393514223328. Its totient is φ = 87447604992.

The previous prime is 216797187599. The next prime is 216797187661. The reversal of 216797187614 is 416781797612.

It is a congruent number.

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, 455456039 + ... + 455456514.

It is an arithmetic number, because the mean of its divisors is an integer number (24594638958).

Almost surely, 2^216797187614 is an apocalyptic number.

216797187614 is a deficient number, since it is larger than the sum of its proper divisors (176717035714).

216797187614 is a wasteful number, since it uses less digits than its factorization.

216797187614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910912579.

The product of its digits is 7112448, while the sum is 59.

The spelling of 216797187614 in words is "two hundred sixteen billion, seven hundred ninety-seven million, one hundred eighty-seven thousand, six hundred fourteen".