34518716166872 has 64 divisors (see below), whose sum is σ = 74801745216000. Its totient is φ = 14627130667776.

The previous prime is 34518716166863. The next prime is 34518716166877. The reversal of 34518716166872 is 27866161781543.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 34518716166799 and 34518716166808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34518716166877) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272297279 + ... + 272424017.

It is an arithmetic number, because the mean of its divisors is an integer number (1168777269000).

Almost surely, 2^{34518716166872} is an apocalyptic number.

It is an amenable number.

34518716166872 is an abundant number, since it is smaller than the sum of its proper divisors (40283029049128).

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

34518716166872 is a wasteful number, since it uses less digits than its factorization.

34518716166872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181488 (or 181484 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 65.

The spelling of 34518716166872 in words is "thirty-four trillion, five hundred eighteen billion, seven hundred sixteen million, one hundred sixty-six thousand, eight hundred seventy-two".