191513396016 has 90 divisors (see below), whose sum is σ = 560288029028. Its totient is φ = 61062217920.

The previous prime is 191513395991. The next prime is 191513396071. The reversal of 191513396016 is 610693315191.

191513396016 is a `hidden beast` number, since 1 + 9 + 1 + 5 + 1 + 3 + 39 + 601 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1180870 + ... + 1333221.

Almost surely, 2^191513396016 is an apocalyptic number.

191513396016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

191513396016 is an abundant number, since it is smaller than the sum of its proper divisors (368774633012).

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

191513396016 is a wasteful number, since it uses less digits than its factorization.

191513396016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2514151 (or 2514119 counting only the distinct ones).

The product of its (nonzero) digits is 131220, while the sum is 45.

The spelling of 191513396016 in words is "one hundred ninety-one billion, five hundred thirteen million, three hundred ninety-six thousand, sixteen".