51604135170 has 32 divisors (see below), whose sum is σ = 141542771328. Its totient is φ = 11795230848.

The previous prime is 51604135157. The next prime is 51604135199. The reversal of 51604135170 is 7153140615.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122866779 + ... + 122867198.

It is an arithmetic number, because the mean of its divisors is an integer number (4423211604).

Almost surely, 2^51604135170 is an apocalyptic number.

51604135170 is an abundant number, since it is smaller than the sum of its proper divisors (89938636158).

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

51604135170 is a wasteful number, since it uses less digits than its factorization.

51604135170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245733994.

The product of its (nonzero) digits is 12600, while the sum is 33.

Adding to 51604135170 its reverse (7153140615), we get a palindrome (58757275785).

The spelling of 51604135170 in words is "fifty-one billion, six hundred four million, one hundred thirty-five thousand, one hundred seventy".