1604740100 has 18 divisors (see below), whose sum is σ = 3482286234. Its totient is φ = 641896000.

The previous prime is 1604740087. The next prime is 1604740117. The reversal of 1604740100 is 10474061.

It can be written as a sum of positive squares in 3 ways, for example, as 198190084 + 1406550016 = 14078^2 + 37504^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8023601 + ... + 8023800.

Almost surely, 2^1604740100 is an apocalyptic number.

1604740100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1604740100 is an abundant number, since it is smaller than the sum of its proper divisors (1877546134).

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

1604740100 is a wasteful number, since it uses less digits than its factorization.

1604740100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16047415 (or 16047408 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 1604740100 is about 40059.2074310014. The cubic root of 1604740100 is about 1170.7609679343.

The spelling of 1604740100 in words is "one billion, six hundred four million, seven hundred forty thousand, one hundred".