190161374 has 16 divisors (see below), whose sum is σ = 311075520. Its totient is φ = 86654880.

The previous prime is 190161299. The next prime is 190161379. The reversal of 190161374 is 473161091.

It is a super-2 number, since 2×190161374² = 72322696323135752, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 190161374.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190161379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44237 + ... + 48344.

It is an arithmetic number, because the mean of its divisors is an integer number (19442220).

Almost surely, 2^190161374 is an apocalyptic number.

190161374 is a deficient number, since it is larger than the sum of its proper divisors (120914146).

190161374 is a wasteful number, since it uses less digits than its factorization.

190161374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92675.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 190161374 is about 13789.9011599068. The cubic root of 190161374 is about 575.0524201737.

The spelling of 190161374 in words is "one hundred ninety million, one hundred sixty-one thousand, three hundred seventy-four".