1613840612 has 12 divisors (see below), whose sum is σ = 2828878080. Its totient is φ = 805589736.

The previous prime is 1613840603. The next prime is 1613840621. The reversal of 1613840612 is 2160483161.

It is an interprime number because it is at equal distance from previous prime (1613840603) and next prime (1613840621).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329912 + ... + 334767.

It is an arithmetic number, because the mean of its divisors is an integer number (235739840).

Almost surely, 2^1613840612 is an apocalyptic number.

It is an amenable number.

1613840612 is a deficient number, since it is larger than the sum of its proper divisors (1215037468).

1613840612 is a wasteful number, since it uses less digits than its factorization.

1613840612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665290 (or 665288 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1613840612 is about 40172.6351139678. The cubic root of 1613840612 is about 1172.9699334822.

The spelling of 1613840612 in words is "one billion, six hundred thirteen million, eight hundred forty thousand, six hundred twelve".