191928202002 has 64 divisors (see below), whose sum is σ = 435682598400. Its totient is φ = 62600376960.

The previous prime is 191928201967. The next prime is 191928202087. The reversal of 191928202002 is 200202829191.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19641774 + ... + 19651542.

It is an arithmetic number, because the mean of its divisors is an integer number (6807540600).

Almost surely, 2^191928202002 is an apocalyptic number.

191928202002 is an abundant number, since it is smaller than the sum of its proper divisors (243754396398).

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

191928202002 is a wasteful number, since it uses less digits than its factorization.

191928202002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17568 (or 17562 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The spelling of 191928202002 in words is "one hundred ninety-one billion, nine hundred twenty-eight million, two hundred two thousand, two".