51070162165520 has 40 divisors (see below), whose sum is σ = 118743953322456. Its totient is φ = 20427062494208.

The previous prime is 51070162165501. The next prime is 51070162165577. The reversal of 51070162165520 is 2556126107015.

It can be written as a sum of positive squares in 4 ways, for example, as 9864649766416 + 41205512399104 = 3140804^2 + 6419152^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×51070162165520² (a number of 28 digits) contains 22 as substring.

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, 14020427 + ... + 17283306.

Almost surely, 2^{51070162165520} is an apocalyptic number.

It is an amenable number.

51070162165520 is an abundant number, since it is smaller than the sum of its proper divisors (67673791156936).

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

51070162165520 is a wasteful number, since it uses less digits than its factorization.

51070162165520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31324139 (or 31324133 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 41.

The spelling of 51070162165520 in words is "fifty-one trillion, seventy billion, one hundred sixty-two million, one hundred sixty-five thousand, five hundred twenty".