190161740 has 12 divisors (see below), whose sum is σ = 399339696. Its totient is φ = 76064688.

The previous prime is 190161733. The next prime is 190161743. The reversal of 190161740 is 47161091.

190161740 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×190161740² = 72322974719655200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (190161743) 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, 4754024 + ... + 4754063.

It is an arithmetic number, because the mean of its divisors is an integer number (33278308).

Almost surely, 2^190161740 is an apocalyptic number.

190161740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

190161740 is an abundant number, since it is smaller than the sum of its proper divisors (209177956).

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

190161740 is a wasteful number, since it uses less digits than its factorization.

190161740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9508096 (or 9508094 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 190161740 is about 13789.9144304814. The cubic root of 190161740 is about 575.0527891043.

The spelling of 190161740 in words is "one hundred ninety million, one hundred sixty-one thousand, seven hundred forty".