1632366645 has 192 divisors, whose sum is σ = 3488728320. Its totient is φ = 644861952.

The previous prime is 1632366623. The next prime is 1632366653. The reversal of 1632366645 is 5466632361.

It is a happy number.

It is not a de Polignac number, because 1632366645 - 2¹² = 1632362549 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1632366597 and 1632366606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11915017 + ... + 11915153.

It is an arithmetic number, because the mean of its divisors is an integer number (18170460).

Almost surely, 2^1632366645 is an apocalyptic number.

1632366645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1632366645 is an abundant number, since it is smaller than the sum of its proper divisors (1856361675).

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

1632366645 is a wasteful number, since it uses less digits than its factorization.

1632366645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 237 counting only the distinct ones).

The product of its digits is 466560, while the sum is 42.

The square root of 1632366645 is about 40402.5574066791. The cubic root of 1632366645 is about 1177.4412247924.

The spelling of 1632366645 in words is "one billion, six hundred thirty-two million, three hundred sixty-six thousand, six hundred forty-five".