189016977222 has 32 divisors (see below), whose sum is σ = 420052197600. Its totient is φ = 63003488544.

The previous prime is 189016977209. The next prime is 189016977263. The reversal of 189016977222 is 222779610981.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 2592604 + ... + 2664512.

It is an arithmetic number, because the mean of its divisors is an integer number (13126631175).

Almost surely, 2^189016977222 is an apocalyptic number.

189016977222 is an abundant number, since it is smaller than the sum of its proper divisors (231035220378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

189016977222 is a wasteful number, since it uses less digits than its factorization.

189016977222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120597 (or 120591 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The spelling of 189016977222 in words is "one hundred eighty-nine billion, sixteen million, nine hundred seventy-seven thousand, two hundred twenty-two".