51654626160066 has 24 divisors (see below), whose sum is σ = 111920748953520. Its totient is φ = 17217840677976.

The previous prime is 51654626160017. The next prime is 51654626160083. The reversal of 51654626160066 is 66006162645615.

51654626160066 is a `hidden beast` number, since 5 + 1 + 6 + 5 + 4 + 6 + 26 + 1 + 600 + 6 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51654626159994 and 51654626160021.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29804020 + ... + 31489503.

It is an arithmetic number, because the mean of its divisors is an integer number (4663364539730).

Almost surely, 2^{51654626160066} is an apocalyptic number.

51654626160066 is an abundant number, since it is smaller than the sum of its proper divisors (60266122793454).

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

51654626160066 is a wasteful number, since it uses less digits than its factorization.

51654626160066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61340350 (or 61340347 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 51654626160066 in words is "fifty-one trillion, six hundred fifty-four billion, six hundred twenty-six million, one hundred sixty thousand, sixty-six".