50161166155 has 8 divisors (see below), whose sum is σ = 60195967200. Its totient is φ = 40127221056.

The previous prime is 50161166147. The next prime is 50161166177. The reversal of 50161166155 is 55166116105.

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

It is a cyclic number.

It is not a de Polignac number, because 50161166155 - 2³ = 50161166147 is a prime.

It is a super-2 number, since 2×50161166155² (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 7 ways as a sum of consecutive naturals, for example, 77095 + ... + 325984.

It is an arithmetic number, because the mean of its divisors is an integer number (7524495900).

Almost surely, 2^50161166155 is an apocalyptic number.

50161166155 is a deficient number, since it is larger than the sum of its proper divisors (10034801045).

50161166155 is a wasteful number, since it uses less digits than its factorization.

50161166155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427973.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 50161166155 in words is "fifty billion, one hundred sixty-one million, one hundred sixty-six thousand, one hundred fifty-five".