190348665 has 16 divisors (see below), whose sum is σ = 327985728. Its totient is φ = 93710016.

The previous prime is 190348619. The next prime is 190348681. The reversal of 190348665 is 566843091.

It is not a de Polignac number, because 190348665 - 2⁷ = 190348537 is a prime.

It is a super-2 number, since 2×190348665² = 72465228534564450, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487879 + ... + 488268.

It is an arithmetic number, because the mean of its divisors is an integer number (20499108).

Almost surely, 2^190348665 is an apocalyptic number.

190348665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190348665 is a deficient number, since it is larger than the sum of its proper divisors (137637063).

190348665 is a wasteful number, since it uses less digits than its factorization.

190348665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976168.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 190348665 is about 13796.6903639967. The cubic root of 190348665 is about 575.2411490080.

The spelling of 190348665 in words is "one hundred ninety million, three hundred forty-eight thousand, six hundred sixty-five".