1613374144 has 14 divisors (see below), whose sum is σ = 3201539444. Its totient is φ = 806687040.

The previous prime is 1613374117. The next prime is 1613374157. The reversal of 1613374144 is 4414733161.

It is a super-3 number, since 3×1613374144³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12604422 + ... + 12604549.

Almost surely, 2^1613374144 is an apocalyptic number.

It is an amenable number.

1613374144 is a deficient number, since it is larger than the sum of its proper divisors (1588165300).

1613374144 is an equidigital number, since it uses as much as digits as its factorization.

1613374144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25208983 (or 25208973 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 1613374144 is about 40166.8289014704. The cubic root of 1613374144 is about 1172.8569099986.

The spelling of 1613374144 in words is "one billion, six hundred thirteen million, three hundred seventy-four thousand, one hundred forty-four".