1604412653 has 8 divisors (see below), whose sum is σ = 1610605248. Its totient is φ = 1598232384.

The previous prime is 1604412637. The next prime is 1604412671. The reversal of 1604412653 is 3562144061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1604412653 - 2⁴ = 1604412637 is a prime.

It is a super-2 number, since 2×1604412653² = 5148279922212996818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604412683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319226 + ... + 324212.

It is an arithmetic number, because the mean of its divisors is an integer number (201325656).

Almost surely, 2^1604412653 is an apocalyptic number.

It is an amenable number.

1604412653 is a deficient number, since it is larger than the sum of its proper divisors (6192595).

1604412653 is an equidigital number, since it uses as much as digits as its factorization.

1604412653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6163.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 1604412653 is about 40055.1201845657. The cubic root of 1604412653 is about 1170.6813313118.

The spelling of 1604412653 in words is "one billion, six hundred four million, four hundred twelve thousand, six hundred fifty-three".