191464672 has 48 divisors (see below), whose sum is σ = 453479040. Its totient is φ = 77735808.

The previous prime is 191464657. The next prime is 191464697. The reversal of 191464672 is 276464191.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18238 + ... + 26749.

It is an arithmetic number, because the mean of its divisors is an integer number (9447480).

Almost surely, 2^191464672 is an apocalyptic number.

It is an amenable number.

191464672 is an abundant number, since it is smaller than the sum of its proper divisors (262014368).

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

191464672 is a wasteful number, since it uses less digits than its factorization.

191464672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45023 (or 45015 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 191464672 is about 13837.0759916971. The cubic root of 191464672 is about 576.3631647543.

The spelling of 191464672 in words is "one hundred ninety-one million, four hundred sixty-four thousand, six hundred seventy-two".