191669204002 has 16 divisors (see below), whose sum is σ = 289313269560. Its totient is φ = 95232013312.

The previous prime is 191669203993. The next prime is 191669204033. The reversal of 191669204002 is 200402966191.

191669204002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 158228132841 + 33441071161 = 397779^2 + 182869^2 .

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, 542274 + ... + 823042.

Almost surely, 2^191669204002 is an apocalyptic number.

191669204002 is a deficient number, since it is larger than the sum of its proper divisors (97644065558).

191669204002 is a wasteful number, since it uses less digits than its factorization.

191669204002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282917.

The product of its (nonzero) digits is 46656, while the sum is 40.

The spelling of 191669204002 in words is "one hundred ninety-one billion, six hundred sixty-nine million, two hundred four thousand, two".