50610061666 has 8 divisors (see below), whose sum is σ = 76652132544. Its totient is φ = 25059350820.

The previous prime is 50610061651. The next prime is 50610061673. The reversal of 50610061666 is 66616001605.

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

It is a super-2 number, since 2×50610061666² (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 3 ways as a sum of consecutive naturals, for example, 122839750 + ... + 122840161.

It is an arithmetic number, because the mean of its divisors is an integer number (9581516568).

Almost surely, 2^50610061666 is an apocalyptic number.

50610061666 is a deficient number, since it is larger than the sum of its proper divisors (26042070878).

50610061666 is a wasteful number, since it uses less digits than its factorization.

50610061666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245680016.

The product of its (nonzero) digits is 38880, while the sum is 37.

The spelling of 50610061666 in words is "fifty billion, six hundred ten million, sixty-one thousand, six hundred sixty-six".