191461996 has 12 divisors (see below), whose sum is σ = 365518440. Its totient is φ = 87028160.

The previous prime is 191461987. The next prime is 191461997. The reversal of 191461996 is 699164191.

It is not an unprimeable number, because it can be changed into a prime (191461997) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2175661 + ... + 2175748.

It is an arithmetic number, because the mean of its divisors is an integer number (30459870).

Almost surely, 2^191461996 is an apocalyptic number.

It is an amenable number.

191461996 is a deficient number, since it is larger than the sum of its proper divisors (174056444).

191461996 is a wasteful number, since it uses less digits than its factorization.

191461996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4351424 (or 4351422 counting only the distinct ones).

The product of its digits is 104976, while the sum is 46.

The square root of 191461996 is about 13836.9792946293. The cubic root of 191461996 is about 576.3604795678.

The spelling of 191461996 in words is "one hundred ninety-one million, four hundred sixty-one thousand, nine hundred ninety-six".