1604162712 has 32 divisors (see below), whose sum is σ = 4011392880. Its totient is φ = 534589440.

The previous prime is 1604162657. The next prime is 1604162717. The reversal of 1604162712 is 2172614061.

It is a self number, because there is not a number n which added to its sum of digits gives 1604162712.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1604162717) 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 7 ways as a sum of consecutive naturals, for example, 172912 + ... + 181952.

Almost surely, 2^1604162712 is an apocalyptic number.

1604162712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1604162712 is an abundant number, since it is smaller than the sum of its proper divisors (2407230168).

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

1604162712 is a wasteful number, since it uses less digits than its factorization.

1604162712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16443 (or 16439 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1604162712 is about 40052.0000998702. Note that the first 4 decimals coincide. The cubic root of 1604162712 is about 1170.6205372143.

Adding to 1604162712 its reverse (2172614061), we get a palindrome (3776776773).

The spelling of 1604162712 in words is "one billion, six hundred four million, one hundred sixty-two thousand, seven hundred twelve".