18672872542202 has 16 divisors (see below), whose sum is σ = 29227209089472. Its totient is φ = 8930472408000.

The previous prime is 18672872542147. The next prime is 18672872542273. The reversal of 18672872542202 is 20224527827681.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16957778 + ... + 18025314.

It is an arithmetic number, because the mean of its divisors is an integer number (1826700568092).

Almost surely, 2^{18672872542202} is an apocalyptic number.

18672872542202 is a deficient number, since it is larger than the sum of its proper divisors (10554336547270).

18672872542202 is a wasteful number, since it uses less digits than its factorization.

18672872542202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1447813.

The product of its (nonzero) digits is 12042240, while the sum is 56.

The spelling of 18672872542202 in words is "eighteen trillion, six hundred seventy-two billion, eight hundred seventy-two million, five hundred forty-two thousand, two hundred two".