166625727314563 has 4 divisors (see below), whose sum is σ = 181773520706808. Its totient is φ = 151477933922320.

The previous prime is 166625727314539. The next prime is 166625727314567. The reversal of 166625727314563 is 365413727526661.

166625727314563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 166625727314563 - 2¹⁷ = 166625727183491 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 166625727314495 and 166625727314504.

It is not an unprimeable number, because it can be changed into a prime (166625727314567) 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, 7573896696106 + ... + 7573896696127.

It is an arithmetic number, because the mean of its divisors is an integer number (45443380176702).

Almost surely, 2^{166625727314563} is an apocalyptic number.

166625727314563 is a deficient number, since it is larger than the sum of its proper divisors (15147793392245).

166625727314563 is a wasteful number, since it uses less digits than its factorization.

166625727314563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15147793392244.

The product of its digits is 228614400, while the sum is 64.

The spelling of 166625727314563 in words is "one hundred sixty-six trillion, six hundred twenty-five billion, seven hundred twenty-seven million, three hundred fourteen thousand, five hundred sixty-three".