1630326352 has 20 divisors (see below), whose sum is σ = 3166493140. Its totient is φ = 813166848.

The previous prime is 1630326329. The next prime is 1630326359. The reversal of 1630326352 is 2536230361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1482558016 + 147768336 = 38504^2 + 12156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630326359) by changing a digit.

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, 118023 + ... + 131110.

It is an arithmetic number, because the mean of its divisors is an integer number (158324657).

Almost surely, 2^1630326352 is an apocalyptic number.

It is an amenable number.

1630326352 is a deficient number, since it is larger than the sum of its proper divisors (1536166788).

1630326352 is a wasteful number, since it uses less digits than its factorization.

1630326352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249550 (or 249544 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 31.

The square root of 1630326352 is about 40377.2999592593. The cubic root of 1630326352 is about 1176.9504595019.

The spelling of 1630326352 in words is "one billion, six hundred thirty million, three hundred twenty-six thousand, three hundred fifty-two".