51611606600016 has 40 divisors (see below), whose sum is σ = 133423026451200. Its totient is φ = 17191863352576.

The previous prime is 51611606599963. The next prime is 51611606600023. The reversal of 51611606600016 is 61000660611615.

It is a super-2 number, since 2×51611606600016² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375102816 + ... + 375240383.

It is an arithmetic number, because the mean of its divisors is an integer number (3335575661280).

Almost surely, 2^{51611606600016} is an apocalyptic number.

It is an amenable number.

51611606600016 is an abundant number, since it is smaller than the sum of its proper divisors (81811419851184).

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

51611606600016 is a wasteful number, since it uses less digits than its factorization.

51611606600016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750344643 (or 750344637 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 39.

The spelling of 51611606600016 in words is "fifty-one trillion, six hundred eleven billion, six hundred six million, six hundred thousand, sixteen".