51160065660 has 108 divisors (see below), whose sum is σ = 170575905864. Its totient is φ = 12402434880.

The previous prime is 51160065647. The next prime is 51160065673. The reversal of 51160065660 is 6656006115.

It is an interprime number because it is at equal distance from previous prime (51160065647) and next prime (51160065673).

It is a super-2 number, since 2×51160065660² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1152694 + ... + 1196253.

Almost surely, 2^51160065660 is an apocalyptic number.

It is an amenable number.

51160065660 is an abundant number, since it is smaller than the sum of its proper divisors (119415840204).

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

51160065660 is a wasteful number, since it uses less digits than its factorization.

51160065660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348984 (or 2348968 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 51160065660 in words is "fifty-one billion, one hundred sixty million, sixty-five thousand, six hundred sixty".