1604162241 has 24 divisors (see below), whose sum is σ = 2544534720. Its totient is φ = 965772000.

The previous prime is 1604162237. The next prime is 1604162249. The reversal of 1604162241 is 1422614061.

1604162241 is a `hidden beast` number, since 1 + 6 + 0 + 416 + 2 + 241 = 666.

It is not a de Polignac number, because 1604162241 - 2² = 1604162237 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1604162249) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 38706 + ... + 68603.

It is an arithmetic number, because the mean of its divisors is an integer number (106022280).

Almost surely, 2^1604162241 is an apocalyptic number.

1604162241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1604162241 is a deficient number, since it is larger than the sum of its proper divisors (940372479).

1604162241 is a wasteful number, since it uses less digits than its factorization.

1604162241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107477 (or 107474 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1604162241 is about 40051.9942200136. The cubic root of 1604162241 is about 1170.6204226452.

The spelling of 1604162241 in words is "one billion, six hundred four million, one hundred sixty-two thousand, two hundred forty-one".