1613264672 has 24 divisors (see below), whose sum is σ = 3197158272. Its totient is φ = 801288000.

The previous prime is 1613264663. The next prime is 1613264687. The reversal of 1613264672 is 2764623161.

It is a happy 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 in 3 ways as a sum of consecutive naturals, for example, 162104 + ... + 171767.

It is an arithmetic number, because the mean of its divisors is an integer number (133214928).

Almost surely, 2^1613264672 is an apocalyptic number.

It is an amenable number.

1613264672 is a deficient number, since it is larger than the sum of its proper divisors (1583893600).

1613264672 is a wasteful number, since it uses less digits than its factorization.

1613264672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334032 (or 334024 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 1613264672 is about 40165.4661618660. The cubic root of 1613264672 is about 1172.8303821788.

The spelling of 1613264672 in words is "one billion, six hundred thirteen million, two hundred sixty-four thousand, six hundred seventy-two".