1630212544 has 14 divisors (see below), whose sum is σ = 3234953144. Its totient is φ = 815106240.

The previous prime is 1630212511. The next prime is 1630212557. The reversal of 1630212544 is 4452120361.

It is a super-2 number, since 2×1630212544² = 5315185877229903872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 12735972 + ... + 12736099.

Almost surely, 2^1630212544 is an apocalyptic number.

It is an amenable number.

1630212544 is a deficient number, since it is larger than the sum of its proper divisors (1604740600).

1630212544 is an equidigital number, since it uses as much as digits as its factorization.

1630212544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25472083 (or 25472073 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1630212544 is about 40375.8906279478. The cubic root of 1630212544 is about 1176.9230724505.

The spelling of 1630212544 in words is "one billion, six hundred thirty million, two hundred twelve thousand, five hundred forty-four".