1664082504 has 48 divisors (see below), whose sum is σ = 5150733120. Its totient is φ = 475452000.

The previous prime is 1664082493. The next prime is 1664082547. The reversal of 1664082504 is 4052804661.

1664082504 is a `hidden beast` number, since 1 + 6 + 640 + 8 + 2 + 5 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1650372 + ... + 1651379.

It is an arithmetic number, because the mean of its divisors is an integer number (107306940).

Almost surely, 2^1664082504 is an apocalyptic number.

1664082504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1664082504 is an abundant number, since it is smaller than the sum of its proper divisors (3486650616).

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

1664082504 is a wasteful number, since it uses less digits than its factorization.

1664082504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3301770 (or 3301763 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 1664082504 is about 40793.1673690583. The cubic root of 1664082504 is about 1185.0180117969.

The spelling of 1664082504 in words is "one billion, six hundred sixty-four million, eighty-two thousand, five hundred four".