51107033816 has 8 divisors (see below), whose sum is σ = 95825688420. Its totient is φ = 25553516904.

The previous prime is 51107033807. The next prime is 51107033839. The reversal of 51107033816 is 61833070115.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×51107033816³ (a number of 33 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 polite number, since it can be written as a sum of consecutive naturals, namely, 3194189606 + ... + 3194189621.

Almost surely, 2^51107033816 is an apocalyptic number.

It is an amenable number.

51107033816 is a deficient number, since it is larger than the sum of its proper divisors (44718654604).

51107033816 is a wasteful number, since it uses less digits than its factorization.

51107033816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388379233 (or 6388379229 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The spelling of 51107033816 in words is "fifty-one billion, one hundred seven million, thirty-three thousand, eight hundred sixteen".