1630455776 has 12 divisors (see below), whose sum is σ = 3209959872. Its totient is φ = 815227872.

The previous prime is 1630455773. The next prime is 1630455779. The reversal of 1630455776 is 6775540361.

It is an interprime number because it is at equal distance from previous prime (1630455773) and next prime (1630455779).

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630455773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25475840 + ... + 25475903.

It is an arithmetic number, because the mean of its divisors is an integer number (267496656).

Almost surely, 2^1630455776 is an apocalyptic number.

1630455776 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1630455776 is a deficient number, since it is larger than the sum of its proper divisors (1579504096).

1630455776 is an equidigital number, since it uses as much as digits as its factorization.

1630455776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50951753 (or 50951745 counting only the distinct ones).

The product of its (nonzero) digits is 529200, while the sum is 44.

The square root of 1630455776 is about 40378.9026101503. The cubic root of 1630455776 is about 1176.9816028792.

The spelling of 1630455776 in words is "one billion, six hundred thirty million, four hundred fifty-five thousand, seven hundred seventy-six".