190613880 has 96 divisors (see below), whose sum is σ = 646457760. Its totient is φ = 48618240.

The previous prime is 190613873. The next prime is 190613887. The reversal of 190613880 is 88316091.

190613880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (190613873) and next prime (190613887).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190613887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3231 + ... + 19790.

It is an arithmetic number, because the mean of its divisors is an integer number (6733935).

Almost surely, 2^190613880 is an apocalyptic number.

190613880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190613880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323228880).

190613880 is an abundant number, since it is smaller than the sum of its proper divisors (455843880).

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

190613880 is a wasteful number, since it uses less digits than its factorization.

190613880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23061 (or 23054 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 190613880 is about 13806.2985626126. The cubic root of 190613880 is about 575.5081884089.

The spelling of 190613880 in words is "one hundred ninety million, six hundred thirteen thousand, eight hundred eighty".