166101124563 has 24 divisors (see below), whose sum is σ = 261757332720. Its totient is φ = 100658799360.

The previous prime is 166101124543. The next prime is 166101124591. The reversal of 166101124563 is 365421101661.

166101124563 is a `hidden beast` number, since 1 + 6 + 61 + 0 + 11 + 24 + 563 = 666.

It is not a de Polignac number, because 166101124563 - 2¹⁷ = 166100993491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (166101124543) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1217583 + ... + 1347111.

It is an arithmetic number, because the mean of its divisors is an integer number (10906555530).

Almost surely, 2^166101124563 is an apocalyptic number.

166101124563 is a deficient number, since it is larger than the sum of its proper divisors (95656208157).

166101124563 is a wasteful number, since it uses less digits than its factorization.

166101124563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142499 (or 142496 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 166101124563 in words is "one hundred sixty-six billion, one hundred one million, one hundred twenty-four thousand, five hundred sixty-three".