191553082 has 16 divisors (see below), whose sum is σ = 328591872. Its totient is φ = 82040400.

The previous prime is 191553071. The next prime is 191553113. The reversal of 191553082 is 280355191.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23808 + ... + 30820.

It is an arithmetic number, because the mean of its divisors is an integer number (20536992).

Almost surely, 2^191553082 is an apocalyptic number.

191553082 is a deficient number, since it is larger than the sum of its proper divisors (137038790).

191553082 is a wasteful number, since it uses less digits than its factorization.

191553082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8973.

The product of its (nonzero) digits is 10800, while the sum is 34.

The square root of 191553082 is about 13840.2703008287. The cubic root of 191553082 is about 576.4518641920.

The spelling of 191553082 in words is "one hundred ninety-one million, five hundred fifty-three thousand, eighty-two".