51660161160 has 32 divisors (see below), whose sum is σ = 154980483840. Its totient is φ = 13776042944.

The previous prime is 51660161101. The next prime is 51660161209. The reversal of 51660161160 is 6116106615.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215250552 + ... + 215250791.

It is an arithmetic number, because the mean of its divisors is an integer number (4843140120).

Almost surely, 2^51660161160 is an apocalyptic number.

It is an amenable number.

51660161160 is an abundant number, since it is smaller than the sum of its proper divisors (103320322680).

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

51660161160 is a wasteful number, since it uses less digits than its factorization.

51660161160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430501357 (or 430501353 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

Adding to 51660161160 its reverse (6116106615), we get a palindrome (57776267775).

The spelling of 51660161160 in words is "fifty-one billion, six hundred sixty million, one hundred sixty-one thousand, one hundred sixty".