166056101051 has 16 divisors (see below), whose sum is σ = 176319467520. Its totient is φ = 156148611840.

The previous prime is 166056101041. The next prime is 166056101053. The reversal of 166056101051 is 150101650661.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-166056101051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166056100999 and 166056101017.

It is not an unprimeable number, because it can be changed into a prime (166056101053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207446 + ... + 612491.

It is an arithmetic number, because the mean of its divisors is an integer number (11019966720).

Almost surely, 2^166056101051 is an apocalyptic number.

166056101051 is a deficient number, since it is larger than the sum of its proper divisors (10263366469).

166056101051 is a wasteful number, since it uses less digits than its factorization.

166056101051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820154.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 166056101051 in words is "one hundred sixty-six billion, fifty-six million, one hundred one thousand, fifty-one".