191950212746 has 32 divisors (see below), whose sum is σ = 298991443968. Its totient is φ = 92359128960.

The previous prime is 191950212709. The next prime is 191950212799. The reversal of 191950212746 is 647212059191.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 191950212746.

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, 1748351 + ... + 1854893.

It is an arithmetic number, because the mean of its divisors is an integer number (9343482624).

Almost surely, 2^191950212746 is an apocalyptic number.

191950212746 is a deficient number, since it is larger than the sum of its proper divisors (107041231222).

191950212746 is a wasteful number, since it uses less digits than its factorization.

191950212746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106886.

The product of its (nonzero) digits is 272160, while the sum is 47.

The spelling of 191950212746 in words is "one hundred ninety-one billion, nine hundred fifty million, two hundred twelve thousand, seven hundred forty-six".