33446664053172 has 18 divisors (see below), whose sum is σ = 84545734134498. Its totient is φ = 11148888017712.

The previous prime is 33446664053053. The next prime is 33446664053191. The reversal of 33446664053172 is 27135046664433.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17948474526096 + 15498189527076 = 4236564^2 + 3936774^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×33446664053172³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 464537000703 + ... + 464537000774.

Almost surely, 2^{33446664053172} is an apocalyptic number.

It is an amenable number.

33446664053172 is an abundant number, since it is smaller than the sum of its proper divisors (51099070081326).

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

33446664053172 is a wasteful number, since it uses less digits than its factorization.

33446664053172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 929074001487 (or 929074001482 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 54.

The spelling of 33446664053172 in words is "thirty-three trillion, four hundred forty-six billion, six hundred sixty-four million, fifty-three thousand, one hundred seventy-two".