51161670016470 has 96 divisors (see below), whose sum is σ = 143266115446272. Its totient is φ = 12592460365056.

The previous prime is 51161670016409. The next prime is 51161670016487. The reversal of 51161670016470 is 7461007616115.

51161670016470 is a `hidden beast` number, since 5 + 1 + 1 + 6 + 167 + 0 + 0 + 16 + 470 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10457944 + ... + 14549636.

It is an arithmetic number, because the mean of its divisors is an integer number (1492355369232).

Almost surely, 2^{51161670016470} is an apocalyptic number.

51161670016470 is an abundant number, since it is smaller than the sum of its proper divisors (92104445429802).

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

51161670016470 is a wasteful number, since it uses less digits than its factorization.

51161670016470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102406 (or 4102403 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The spelling of 51161670016470 in words is "fifty-one trillion, one hundred sixty-one billion, six hundred seventy million, sixteen thousand, four hundred seventy".