50156511666 has 8 divisors (see below), whose sum is σ = 100313023344. Its totient is φ = 16718837220.

The previous prime is 50156511661. The next prime is 50156511667. The reversal of 50156511666 is 66611565105.

It is a sphenic number, since it is the product of 3 distinct primes.

50156511666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (50156511661) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4179709300 + ... + 4179709311.

It is an arithmetic number, because the mean of its divisors is an integer number (12539127918).

Almost surely, 2^50156511666 is an apocalyptic number.

50156511666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

50156511666 is a wasteful number, since it uses less digits than its factorization.

50156511666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8359418616.

The product of its (nonzero) digits is 162000, while the sum is 42.

The spelling of 50156511666 in words is "fifty billion, one hundred fifty-six million, five hundred eleven thousand, six hundred sixty-six".