1662323512 has 16 divisors (see below), whose sum is σ = 3300201360. Its totient is φ = 782269824.

The previous prime is 1662323501. The next prime is 1662323543. The reversal of 1662323512 is 2153232661.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6111348 + ... + 6111619.

It is an arithmetic number, because the mean of its divisors is an integer number (206262585).

Almost surely, 2^1662323512 is an apocalyptic number.

It is an amenable number.

1662323512 is a deficient number, since it is larger than the sum of its proper divisors (1637877848).

1662323512 is a wasteful number, since it uses less digits than its factorization.

1662323512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12222990 (or 12222986 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 1662323512 is about 40771.6017835944. The cubic root of 1662323512 is about 1184.6003297670.

It can be divided in two parts, 166232 and 3512, that added together give a square (169744 = 412²).

The spelling of 1662323512 in words is "one billion, six hundred sixty-two million, three hundred twenty-three thousand, five hundred twelve".