191926158431002 has 32 divisors (see below), whose sum is σ = 298840632975360. Its totient is φ = 92379706874880.

The previous prime is 191926158430991. The next prime is 191926158431027. The reversal of 191926158431002 is 200134851629191.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299505063 + ... + 300145189.

It is an arithmetic number, because the mean of its divisors is an integer number (9338769780480).

Almost surely, 2^{191926158431002} is an apocalyptic number.

191926158431002 is a deficient number, since it is larger than the sum of its proper divisors (106914474544358).

191926158431002 is a wasteful number, since it uses less digits than its factorization.

191926158431002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692526.

The product of its (nonzero) digits is 933120, while the sum is 52.

The spelling of 191926158431002 in words is "one hundred ninety-one trillion, nine hundred twenty-six billion, one hundred fifty-eight million, four hundred thirty-one thousand, two".