51116164330 has 32 divisors (see below), whose sum is σ = 114712640640. Its totient is φ = 15932310720.

The previous prime is 51116164289. The next prime is 51116164369. The reversal of 51116164330 is 3346161115.

It is a super-2 number, since 2×51116164330² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51116164292 and 51116164301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33191545 + ... + 33193084.

It is an arithmetic number, because the mean of its divisors is an integer number (3584770020).

Almost surely, 2^51116164330 is an apocalyptic number.

51116164330 is an abundant number, since it is smaller than the sum of its proper divisors (63596476310).

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

51116164330 is a wasteful number, since it uses less digits than its factorization.

51116164330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66384654.

The product of its (nonzero) digits is 6480, while the sum is 31.

The spelling of 51116164330 in words is "fifty-one billion, one hundred sixteen million, one hundred sixty-four thousand, three hundred thirty".