1623132672 has 80 divisors (see below), whose sum is σ = 4941892032. Its totient is φ = 463749120.

The previous prime is 1623132671. The next prime is 1623132691. The reversal of 1623132672 is 2762313261.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1623132671) 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 7 ways as a sum of consecutive naturals, for example, 64729 + ... + 86232.

Almost surely, 2^1623132672 is an apocalyptic number.

1623132672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1623132672 is an abundant number, since it is smaller than the sum of its proper divisors (3318759360).

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

1623132672 is an equidigital number, since it uses as much as digits as its factorization.

1623132672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150989 (or 150973 counting only the distinct ones).

The product of its digits is 18144, while the sum is 33.

The square root of 1623132672 is about 40288.1207305578. The cubic root of 1623132672 is about 1175.2168417065.

The spelling of 1623132672 in words is "one billion, six hundred twenty-three million, one hundred thirty-two thousand, six hundred seventy-two".