189906148696 has 64 divisors (see below), whose sum is σ = 389493308160. Its totient is φ = 86088240000.

The previous prime is 189906148669. The next prime is 189906148699. The reversal of 189906148696 is 696841609981.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189906148699) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80569950 + ... + 80572306.

It is an arithmetic number, because the mean of its divisors is an integer number (6085832940).

Almost surely, 2^189906148696 is an apocalyptic number.

It is an amenable number.

189906148696 is an abundant number, since it is smaller than the sum of its proper divisors (199587159464).

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

189906148696 is a wasteful number, since it uses less digits than its factorization.

189906148696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4456 (or 4452 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 67.

The spelling of 189906148696 in words is "one hundred eighty-nine billion, nine hundred six million, one hundred forty-eight thousand, six hundred ninety-six".