166050077656 has 16 divisors (see below), whose sum is σ = 315990820440. Its totient is φ = 81785858880.

The previous prime is 166050077651. The next prime is 166050077657. The reversal of 166050077656 is 656770050661.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (166050077651) 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, 154896925 + ... + 154897996.

Almost surely, 2^166050077656 is an apocalyptic number.

It is an amenable number.

166050077656 is a deficient number, since it is larger than the sum of its proper divisors (149940742784).

166050077656 is a wasteful number, since it uses less digits than its factorization.

166050077656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309794994 (or 309794990 counting only the distinct ones).

The product of its (nonzero) digits is 1587600, while the sum is 49.

The spelling of 166050077656 in words is "one hundred sixty-six billion, fifty million, seventy-seven thousand, six hundred fifty-six".