190695650 has 12 divisors (see below), whose sum is σ = 354694002. Its totient is φ = 76278240.

The previous prime is 190695623. The next prime is 190695653. The reversal of 190695650 is 56596091.

It can be written as a sum of positive squares in 3 ways, for example, as 181629529 + 9066121 = 13477^2 + 3011^2 .

It is a junction number, because it is equal to n+sod(n) for n = 190695598 and 190695607.

It is not an unprimeable number, because it can be changed into a prime (190695653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1906907 + ... + 1907006.

Almost surely, 2^190695650 is an apocalyptic number.

190695650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190695650 is a deficient number, since it is larger than the sum of its proper divisors (163998352).

190695650 is a wasteful number, since it uses less digits than its factorization.

190695650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3813925 (or 3813920 counting only the distinct ones).

The product of its (nonzero) digits is 72900, while the sum is 41.

The square root of 190695650 is about 13809.2595746477. The cubic root of 190695650 is about 575.5904709390.

The spelling of 190695650 in words is "one hundred ninety million, six hundred ninety-five thousand, six hundred fifty".