33144431772916 has 24 divisors (see below), whose sum is σ = 58263874470144. Its totient is φ = 16497613090560.

The previous prime is 33144431772721. The next prime is 33144431772943. The reversal of 33144431772916 is 61927713444133.

It is a super-2 number, since 2×33144431772916² (a number of 28 digits) contains 22 as substring.

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, 56368251 + ... + 56953213.

It is an arithmetic number, because the mean of its divisors is an integer number (2427661436256).

Almost surely, 2^{33144431772916} is an apocalyptic number.

It is an amenable number.

33144431772916 is a deficient number, since it is larger than the sum of its proper divisors (25119442697228).

33144431772916 is a wasteful number, since it uses less digits than its factorization.

33144431772916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648711 (or 648709 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 55.

The spelling of 33144431772916 in words is "thirty-three trillion, one hundred forty-four billion, four hundred thirty-one million, seven hundred seventy-two thousand, nine hundred sixteen".