1613440068 has 48 divisors (see below), whose sum is σ = 3866204160. Its totient is φ = 523504800.

The previous prime is 1613440033. The next prime is 1613440069. The reversal of 1613440068 is 8600443161.

It is not an unprimeable number, because it can be changed into a prime (1613440069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55323 + ... + 79293.

It is an arithmetic number, because the mean of its divisors is an integer number (80545920).

Almost surely, 2^1613440068 is an apocalyptic number.

It is an amenable number.

1613440068 is an abundant number, since it is smaller than the sum of its proper divisors (2252764092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1613440068 is a wasteful number, since it uses less digits than its factorization.

1613440068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24128 (or 24126 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 1613440068 is about 40167.6495204785. The cubic root of 1613440068 is about 1172.8728844635.

The spelling of 1613440068 in words is "one billion, six hundred thirteen million, four hundred forty thousand, sixty-eight".