216500177416 has 32 divisors (see below), whose sum is σ = 426123815040. Its totient is φ = 102923527168.

The previous prime is 216500177381. The next prime is 216500177423. The reversal of 216500177416 is 614771005612.

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, 3492121 + ... + 3553576.

It is an arithmetic number, because the mean of its divisors is an integer number (13316369220).

Almost surely, 2^216500177416 is an apocalyptic number.

It is an amenable number.

216500177416 is a deficient number, since it is larger than the sum of its proper divisors (209623637624).

216500177416 is a wasteful number, since it uses less digits than its factorization.

216500177416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7045893 (or 7045889 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 216500177416 in words is "two hundred sixteen billion, five hundred million, one hundred seventy-seven thousand, four hundred sixteen".