1604157441 has 16 divisors (see below), whose sum is σ = 2303811840. Its totient is φ = 989588880.

The previous prime is 1604157419. The next prime is 1604157481. The reversal of 1604157441 is 1447514061.

It is not a de Polignac number, because 1604157441 - 2⁶ = 1604157377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1604157481) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 324795 + ... + 329696.

It is an arithmetic number, because the mean of its divisors is an integer number (143988240).

Almost surely, 2^1604157441 is an apocalyptic number.

It is an amenable number.

1604157441 is a deficient number, since it is larger than the sum of its proper divisors (699654399).

1604157441 is a wasteful number, since it uses less digits than its factorization.

1604157441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654556.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1604157441 is about 40051.9342978588. The cubic root of 1604157441 is about 1170.6192550610.

The spelling of 1604157441 in words is "one billion, six hundred four million, one hundred fifty-seven thousand, four hundred forty-one".