51320071418 has 16 divisors (see below), whose sum is σ = 95975198784. Its totient is φ = 19994832960.

The previous prime is 51320071399. The next prime is 51320071441. The reversal of 51320071418 is 81417002315.

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, 166623455 + ... + 166623762.

It is an arithmetic number, because the mean of its divisors is an integer number (5998449924).

Almost surely, 2^51320071418 is an apocalyptic number.

51320071418 is a deficient number, since it is larger than the sum of its proper divisors (44655127366).

51320071418 is a wasteful number, since it uses less digits than its factorization.

51320071418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333247237.

The product of its (nonzero) digits is 6720, while the sum is 32.

The spelling of 51320071418 in words is "fifty-one billion, three hundred twenty million, seventy-one thousand, four hundred eighteen".