189301687162 has 24 divisors (see below), whose sum is σ = 330364294740. Its totient is φ = 81116481600.

The previous prime is 189301687153. The next prime is 189301687187. The reversal of 189301687162 is 261786103981.

It can be written as a sum of positive squares in 2 ways, for example, as 183688530921 + 5613156241 = 428589^2 + 74921^2 .

It is a super-2 number, since 2×189301687162² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 484662 + ... + 783262.

Almost surely, 2^189301687162 is an apocalyptic number.

189301687162 is a deficient number, since it is larger than the sum of its proper divisors (141062607578).

189301687162 is a wasteful number, since it uses less digits than its factorization.

189301687162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305086 (or 305079 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 52.

The spelling of 189301687162 in words is "one hundred eighty-nine billion, three hundred one million, six hundred eighty-seven thousand, one hundred sixty-two".