187664482 has 8 divisors (see below), whose sum is σ = 296312400. Its totient is φ = 88893684.

The previous prime is 187664447. The next prime is 187664497. The reversal of 187664482 is 284466781.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2469232 + ... + 2469307.

It is an arithmetic number, because the mean of its divisors is an integer number (37039050).

Almost surely, 2^187664482 is an apocalyptic number.

187664482 is a deficient number, since it is larger than the sum of its proper divisors (108647918).

187664482 is a wasteful number, since it uses less digits than its factorization.

187664482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4938560.

The product of its digits is 516096, while the sum is 46.

The square root of 187664482 is about 13699.0686544743. The cubic root of 187664482 is about 572.5244367060.

The spelling of 187664482 in words is "one hundred eighty-seven million, six hundred sixty-four thousand, four hundred eighty-two".