190025665 has 8 divisors (see below), whose sum is σ = 228765888. Its totient is φ = 151530480.

The previous prime is 190025663. The next prime is 190025681. The reversal of 190025665 is 566520091.

It is a happy number.

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

It is not a de Polignac number, because 190025665 - 2¹ = 190025663 is a prime.

It is a super-2 number, since 2×190025665² = 72219506717384450, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190025665.

It is not an unprimeable number, because it can be changed into a prime (190025663) 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, 59547 + ... + 62656.

It is an arithmetic number, because the mean of its divisors is an integer number (28595736).

Almost surely, 2^190025665 is an apocalyptic number.

It is an amenable number.

190025665 is a deficient number, since it is larger than the sum of its proper divisors (38740223).

190025665 is a wasteful number, since it uses less digits than its factorization.

190025665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122519.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 190025665 is about 13784.9796880518. The cubic root of 190025665 is about 574.9155918946.

The spelling of 190025665 in words is "one hundred ninety million, twenty-five thousand, six hundred sixty-five".