50666606155 has 16 divisors (see below), whose sum is σ = 67166784000. Its totient is φ = 36382001760.

The previous prime is 50666606147. The next prime is 50666606173. The reversal of 50666606155 is 55160666605.

It is not a de Polignac number, because 50666606155 - 2³ = 50666606147 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5826105 + ... + 5834794.

It is an arithmetic number, because the mean of its divisors is an integer number (4197924000).

Almost surely, 2^50666606155 is an apocalyptic number.

50666606155 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50666606155 is a deficient number, since it is larger than the sum of its proper divisors (16500177845).

50666606155 is a wasteful number, since it uses less digits than its factorization.

50666606155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11660994.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 50666606155 in words is "fifty billion, six hundred sixty-six million, six hundred six thousand, one hundred fifty-five".