191612946 has 16 divisors (see below), whose sum is σ = 437972544. Its totient is φ = 54746544.

The previous prime is 191612903. The next prime is 191612959. The reversal of 191612946 is 649216191.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2281065 + ... + 2281148.

It is an arithmetic number, because the mean of its divisors is an integer number (27373284).

Almost surely, 2^191612946 is an apocalyptic number.

191612946 is an abundant number, since it is smaller than the sum of its proper divisors (246359598).

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

191612946 is a wasteful number, since it uses less digits than its factorization.

191612946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4562225.

The product of its digits is 23328, while the sum is 39.

The square root of 191612946 is about 13842.4328064109. The cubic root of 191612946 is about 576.5119086799.

The spelling of 191612946 in words is "one hundred ninety-one million, six hundred twelve thousand, nine hundred forty-six".