51074192016 has 135 divisors (see below), whose sum is σ = 147193548411. Its totient is φ = 16532059392.

The previous prime is 51074191999. The next prime is 51074192017. The reversal of 51074192016 is 61029147015.

The square root of 51074192016 is 225996.

It is a perfect power (a square), and thus also a powerful number.

51074192016 is a `hidden beast` number, since 510 + 7 + 41 + 92 + 0 + 16 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25953210000 + 25120982016 = 161100^2 + 158496^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (51074192017) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 100341970 + ... + 100342478.

Almost surely, 2^51074192016 is an apocalyptic number.

51074192016 is the 225996-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51074192016

51074192016 is an abundant number, since it is smaller than the sum of its proper divisors (96119356395).

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

51074192016 is an equidigital number, since it uses as much as digits as its factorization.

51074192016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 551 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

Multiplying 51074192016 by its sum of digits (36), we get a square (1838670912576 = 1355976²).

51074192016 divided by its sum of digits (36) gives a square (1418727556 = 37666²).

The spelling of 51074192016 in words is "fifty-one billion, seventy-four million, one hundred ninety-two thousand, sixteen".