190350881 has 16 divisors (see below), whose sum is σ = 225054720. Its totient is φ = 157548240.

The previous prime is 190350869. The next prime is 190350883. The reversal of 190350881 is 188053091.

It is a cyclic number.

It is not a de Polignac number, because 190350881 - 2⁶ = 190350817 is a prime.

It is a super-2 number, since 2×190350881² = 72466915794952322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190350883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159770 + ... + 160956.

It is an arithmetic number, because the mean of its divisors is an integer number (14065920).

Almost surely, 2^190350881 is an apocalyptic number.

It is an amenable number.

190350881 is a deficient number, since it is larger than the sum of its proper divisors (34703839).

190350881 is a wasteful number, since it uses less digits than its factorization.

190350881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964.

The product of its (nonzero) digits is 8640, while the sum is 35.

The square root of 190350881 is about 13796.7706728785. The cubic root of 190350881 is about 575.2433812791.

The spelling of 190350881 in words is "one hundred ninety million, three hundred fifty thousand, eight hundred eighty-one".