190461506 has 16 divisors (see below), whose sum is σ = 302962680. Its totient is φ = 89491200.

The previous prime is 190461497. The next prime is 190461539. The reversal of 190461506 is 605164091.

It can be written as a sum of positive squares in 4 ways, for example, as 167469481 + 22992025 = 12941^2 + 4795^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20156 + ... + 28056.

Almost surely, 2^190461506 is an apocalyptic number.

190461506 is a deficient number, since it is larger than the sum of its proper divisors (112501174).

190461506 is a wasteful number, since it uses less digits than its factorization.

190461506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8629.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 190461506 is about 13800.7791809013. The cubic root of 190461506 is about 575.3547965332.

The spelling of 190461506 in words is "one hundred ninety million, four hundred sixty-one thousand, five hundred six".