1630822752 has 72 divisors (see below), whose sum is σ = 4994406144. Its totient is φ = 501790464.

The previous prime is 1630822747. The next prime is 1630822759. The reversal of 1630822752 is 2572280361.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630822759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214048 + ... + 221535.

It is an arithmetic number, because the mean of its divisors is an integer number (69366752).

Almost surely, 2^1630822752 is an apocalyptic number.

1630822752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1630822752 is an abundant number, since it is smaller than the sum of its proper divisors (3363583392).

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

1630822752 is a wasteful number, since it uses less digits than its factorization.

1630822752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435612 (or 435601 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1630822752 is about 40383.4465096777. The cubic root of 1630822752 is about 1177.0698995804.

It can be divided in two parts, 16308 and 22752, that added together give a triangular number (39060 = T₂₇₉).

The spelling of 1630822752 in words is "one billion, six hundred thirty million, eight hundred twenty-two thousand, seven hundred fifty-two".