190169994 has 64 divisors (see below), whose sum is σ = 460247040. Its totient is φ = 51226560.

The previous prime is 190169953. The next prime is 190169999. The reversal of 190169994 is 499961091.

190169994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (190169999) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50559 + ... + 54189.

It is an arithmetic number, because the mean of its divisors is an integer number (7191360).

Almost surely, 2^190169994 is an apocalyptic number.

190169994 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 190169994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230123520).

190169994 is an abundant number, since it is smaller than the sum of its proper divisors (270077046).

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

190169994 is a wasteful number, since it uses less digits than its factorization.

190169994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715.

The product of its (nonzero) digits is 157464, while the sum is 48.

The square root of 190169994 is about 13790.2137039279. The cubic root of 190169994 is about 575.0611090693.

The spelling of 190169994 in words is "one hundred ninety million, one hundred sixty-nine thousand, nine hundred ninety-four".