190640016 has 60 divisors (see below), whose sum is σ = 609748672. Its totient is φ = 54468288.

The previous prime is 190640003. The next prime is 190640039. The reversal of 190640016 is 610046091.

190640016 is a `hidden beast` number, since 1 + 9 + 0 + 640 + 0 + 16 = 666.

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, 93556 + ... + 95571.

Almost surely, 2^190640016 is an apocalyptic number.

190640016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

190640016 is an abundant number, since it is smaller than the sum of its proper divisors (419108656).

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

190640016 is a wasteful number, since it uses less digits than its factorization.

190640016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189148 (or 189139 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 190640016 is about 13807.2450546805. The cubic root of 190640016 is about 575.5344907863.

The spelling of 190640016 in words is "one hundred ninety million, six hundred forty thousand, sixteen".