190232081 has 8 divisors (see below), whose sum is σ = 205101120. Its totient is φ = 175396752.

The previous prime is 190232069. The next prime is 190232113. The reversal of 190232081 is 180232091.

190232081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 190232081 - 2¹⁰ = 190231057 is a prime.

It is a super-2 number, since 2×190232081² = 72376489283181122, which contains 22 as substring.

It is a Duffinian number.

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 190232081.

It is not an unprimeable number, because it can be changed into a prime (190232041) 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, 3986 + ... + 19908.

It is an arithmetic number, because the mean of its divisors is an integer number (25637640).

Almost surely, 2^190232081 is an apocalyptic number.

It is an amenable number.

190232081 is a deficient number, since it is larger than the sum of its proper divisors (14869039).

190232081 is a wasteful number, since it uses less digits than its factorization.

190232081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16855.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 190232081 is about 13792.4646455954. The cubic root of 190232081 is about 575.1236845462.

The spelling of 190232081 in words is "one hundred ninety million, two hundred thirty-two thousand, eighty-one".