51612653676 has 24 divisors (see below), whose sum is σ = 120487288320. Its totient is φ = 17195966032.

The previous prime is 51612653671. The next prime is 51612653693. The reversal of 51612653676 is 67635621615.

It is not an unprimeable number, because it can be changed into a prime (51612653671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1005396 + ... + 1055483.

It is an arithmetic number, because the mean of its divisors is an integer number (5020303680).

Almost surely, 2^51612653676 is an apocalyptic number.

It is an amenable number.

51612653676 is an abundant number, since it is smaller than the sum of its proper divisors (68874634644).

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

51612653676 is a wasteful number, since it uses less digits than its factorization.

51612653676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2062973 (or 2062971 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 48.

The spelling of 51612653676 in words is "fifty-one billion, six hundred twelve million, six hundred fifty-three thousand, six hundred seventy-six".