50508612666 has 64 divisors (see below), whose sum is σ = 117258301440. Its totient is φ = 16096754160.

The previous prime is 50508612631. The next prime is 50508612677. The reversal of 50508612666 is 66621680505.

It is a happy number.

It is a super-2 number, since 2×50508612666² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42820 + ... + 320703.

It is an arithmetic number, because the mean of its divisors is an integer number (1832160960).

Almost surely, 2^50508612666 is an apocalyptic number.

50508612666 is an abundant number, since it is smaller than the sum of its proper divisors (66749688774).

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

50508612666 is a wasteful number, since it uses less digits than its factorization.

50508612666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363648 (or 363642 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 50508612666 in words is "fifty billion, five hundred eight million, six hundred twelve thousand, six hundred sixty-six".