216168751300842 has 48 divisors (see below), whose sum is σ = 469968879344328. Its totient is φ = 71809601310720.

The previous prime is 216168751300783. The next prime is 216168751300877. The reversal of 216168751300842 is 248003157861612.

It is a happy number.

216168751300842 is a `hidden beast` number, since 2 + 1 + 6 + 1 + 6 + 87 + 513 + 0 + 0 + 8 + 42 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 216155537568441 + 13213732401 = 14702229^2 + 114951^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 875787798 + ... + 876034590.

Almost surely, 2^{216168751300842} is an apocalyptic number.

216168751300842 is an abundant number, since it is smaller than the sum of its proper divisors (253800128043486).

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

216168751300842 is a wasteful number, since it uses less digits than its factorization.

216168751300842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413175 (or 413172 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 216168751300842 in words is "two hundred sixteen trillion, one hundred sixty-eight billion, seven hundred fifty-one million, three hundred thousand, eight hundred forty-two".