1662985332 has 72 divisors (see below), whose sum is σ = 4257279936. Its totient is φ = 547305984.

The previous prime is 1662985321. The next prime is 1662985351. The reversal of 1662985332 is 2335892661.

1662985332 is a `hidden beast` number, since 16 + 629 + 8 + 5 + 3 + 3 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 979108 + ... + 980804.

It is an arithmetic number, because the mean of its divisors is an integer number (59128888).

Almost surely, 2^1662985332 is an apocalyptic number.

1662985332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1662985332 is an abundant number, since it is smaller than the sum of its proper divisors (2594294604).

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

1662985332 is a wasteful number, since it uses less digits than its factorization.

1662985332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037 (or 2032 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 1662985332 is about 40779.7171642963. The cubic root of 1662985332 is about 1184.7575170141.

The spelling of 1662985332 in words is "one billion, six hundred sixty-two million, nine hundred eighty-five thousand, three hundred thirty-two".