172489599106 has 32 divisors (see below), whose sum is σ = 289668352896. Its totient is φ = 76370256000.

The previous prime is 172489599067. The next prime is 172489599151. The reversal of 172489599106 is 601995984271.

It is a Harshad number since it is a multiple of its sum of digits (61).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 485715 + ... + 762166.

It is an arithmetic number, because the mean of its divisors is an integer number (9052136028).

Almost surely, 2^172489599106 is an apocalyptic number.

172489599106 is a deficient number, since it is larger than the sum of its proper divisors (117178753790).

172489599106 is a wasteful number, since it uses less digits than its factorization.

172489599106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248058.

The product of its (nonzero) digits is 9797760, while the sum is 61.

The spelling of 172489599106 in words is "one hundred seventy-two billion, four hundred eighty-nine million, five hundred ninety-nine thousand, one hundred six".