1650964032 has 70 divisors (see below), whose sum is σ = 4893989958. Its totient is φ = 550319616.

The previous prime is 1650964009. The next prime is 1650964067. The reversal of 1650964032 is 2304690561.

It is a happy number.

1650964032 is a `hidden beast` number, since 1 + 6 + 5 + 0 + 9 + 640 + 3 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1417974336 + 232989696 = 37656^2 + 15264^2 .

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 9 ways as a sum of consecutive naturals, for example, 154053 + ... + 164420.

Almost surely, 2^1650964032 is an apocalyptic number.

1650964032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1650964032 is an abundant number, since it is smaller than the sum of its proper divisors (3243025926).

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

1650964032 is an equidigital number, since it uses as much as digits as its factorization.

1650964032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318497 (or 318478 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1650964032 is about 40632.0567040360. The cubic root of 1650964032 is about 1181.8958397225.

The spelling of 1650964032 in words is "one billion, six hundred fifty million, nine hundred sixty-four thousand, thirty-two".