190895655 has 16 divisors (see below), whose sum is σ = 308867040. Its totient is φ = 100666368.

The previous prime is 190895647. The next prime is 190895681. The reversal of 190895655 is 556598091.

It is a happy number.

190895655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190895655 - 2³ = 190895647 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70162 + ... + 72831.

It is an arithmetic number, because the mean of its divisors is an integer number (19304190).

Almost surely, 2^190895655 is an apocalyptic number.

190895655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

190895655 is a deficient number, since it is larger than the sum of its proper divisors (117971385).

190895655 is a wasteful number, since it uses less digits than its factorization.

190895655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143090.

The product of its (nonzero) digits is 486000, while the sum is 48.

The square root of 190895655 is about 13816.4993757464. The cubic root of 190895655 is about 575.7916304806.

The spelling of 190895655 in words is "one hundred ninety million, eight hundred ninety-five thousand, six hundred fifty-five".