1604770608 has 80 divisors (see below), whose sum is σ = 4797946880. Its totient is φ = 452694528.

The previous prime is 1604770597. The next prime is 1604770637. The reversal of 1604770608 is 8060774061.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3685 + ... + 56772.

It is an arithmetic number, because the mean of its divisors is an integer number (59974336).

Almost surely, 2^1604770608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1604770608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2398973440).

1604770608 is an abundant number, since it is smaller than the sum of its proper divisors (3193176272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1604770608 is a wasteful number, since it uses less digits than its factorization.

1604770608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60554 (or 60548 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 1604770608 is about 40059.5882155571. The cubic root of 1604770608 is about 1170.7683870691.

The spelling of 1604770608 in words is "one billion, six hundred four million, seven hundred seventy thousand, six hundred eight".