190163974 has 96 divisors (see below), whose sum is σ = 400409856. Its totient is φ = 65378880.

The previous prime is 190163969. The next prime is 190163983. The reversal of 190163974 is 479361091.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 4046019 + ... + 4046065.

It is an arithmetic number, because the mean of its divisors is an integer number (4170936).

Almost surely, 2^190163974 is an apocalyptic number.

190163974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

190163974 is an abundant number, since it is smaller than the sum of its proper divisors (210245882).

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

190163974 is a wasteful number, since it uses less digits than its factorization.

190163974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170 (or 123 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 40.

The square root of 190163974 is about 13789.9954314713. The cubic root of 190163974 is about 575.0550409819.

The spelling of 190163974 in words is "one hundred ninety million, one hundred sixty-three thousand, nine hundred seventy-four".