1630672043 has 24 divisors (see below), whose sum is σ = 2201481216. Its totient is φ = 1172901600.

The previous prime is 1630672039. The next prime is 1630672061. The reversal of 1630672043 is 3402760361.

It is not a de Polignac number, because 1630672043 - 2² = 1630672039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1630672543) 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 23 ways as a sum of consecutive naturals, for example, 49643 + ... + 75668.

It is an arithmetic number, because the mean of its divisors is an integer number (91728384).

Almost surely, 2^1630672043 is an apocalyptic number.

1630672043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1630672043 is a deficient number, since it is larger than the sum of its proper divisors (570809173).

1630672043 is a wasteful number, since it uses less digits than its factorization.

1630672043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125355 (or 125342 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 1630672043 is about 40381.5804916053. The cubic root of 1630672043 is about 1177.0336396635.

The spelling of 1630672043 in words is "one billion, six hundred thirty million, six hundred seventy-two thousand, forty-three".