900164042 has 16 divisors (see below), whose sum is σ = 1437580872. Its totient is φ = 421263360.

The previous prime is 900164033. The next prime is 900164101. The reversal of 900164042 is 240461009.

It can be written as a sum of positive squares in 4 ways, for example, as 352650841 + 547513201 = 18779^2 + 23399^2 .

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 7 ways as a sum of consecutive naturals, for example, 66983 + ... + 79290.

Almost surely, 2^900164042 is an apocalyptic number.

900164042 is a deficient number, since it is larger than the sum of its proper divisors (537416830).

900164042 is a wasteful number, since it uses less digits than its factorization.

900164042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146473.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 900164042 is about 30002.7339087624. The cubic root of 900164042 is about 965.5480406012.

The spelling of 900164042 in words is "nine hundred million, one hundred sixty-four thousand, forty-two".