1630261552 has 40 divisors (see below), whose sum is σ = 3255595200. Its totient is φ = 790428672.

The previous prime is 1630261547. The next prime is 1630261553. The reversal of 1630261552 is 2551620361.

It is not an unprimeable number, because it can be changed into a prime (1630261553) 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 7 ways as a sum of consecutive naturals, for example, 72024 + ... + 91912.

It is an arithmetic number, because the mean of its divisors is an integer number (81389880).

Almost surely, 2^1630261552 is an apocalyptic number.

It is an amenable number.

1630261552 is a deficient number, since it is larger than the sum of its proper divisors (1625333648).

1630261552 is a wasteful number, since it uses less digits than its factorization.

1630261552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20053 (or 20047 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 1630261552 is about 40376.4975202159. The cubic root of 1630261552 is about 1176.9348660186.

The spelling of 1630261552 in words is "one billion, six hundred thirty million, two hundred sixty-one thousand, five hundred fifty-two".