1630373672 has 16 divisors (see below), whose sum is σ = 3088467060. Its totient is φ = 806782464.

The previous prime is 1630373663. The next prime is 1630373677. The reversal of 1630373672 is 2763730361.

It can be written as a sum of positive squares in 2 ways, for example, as 1533035716 + 97337956 = 39154^2 + 9866^2 .

It is not an unprimeable number, because it can be changed into a prime (1630373677) 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 3 ways as a sum of consecutive naturals, for example, 1049723 + ... + 1051274.

Almost surely, 2^1630373672 is an apocalyptic number.

It is an amenable number.

1630373672 is a deficient number, since it is larger than the sum of its proper divisors (1458093388).

1630373672 is a wasteful number, since it uses less digits than its factorization.

1630373672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101100 (or 2101096 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 38.

The square root of 1630373672 is about 40377.8859278195. The cubic root of 1630373672 is about 1176.9618463340.

The spelling of 1630373672 in words is "one billion, six hundred thirty million, three hundred seventy-three thousand, six hundred seventy-two".