51514231661022 has 16 divisors (see below), whose sum is σ = 110953729731600. Its totient is φ = 15850532818752.

The previous prime is 51514231660979. The next prime is 51514231661027. The reversal of 51514231661022 is 22016613241515.

It is a super-2 number, since 2×51514231661022² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51514231661027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330219433647 + ... + 330219433802.

It is an arithmetic number, because the mean of its divisors is an integer number (6934608108225).

Almost surely, 2^{51514231661022} is an apocalyptic number.

51514231661022 is an abundant number, since it is smaller than the sum of its proper divisors (59439498070578).

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

51514231661022 is a wasteful number, since it uses less digits than its factorization.

51514231661022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660438867467.

The product of its (nonzero) digits is 86400, while the sum is 39.

The spelling of 51514231661022 in words is "fifty-one trillion, five hundred fourteen billion, two hundred thirty-one million, six hundred sixty-one thousand, twenty-two".