1613493616 has 20 divisors (see below), whose sum is σ = 3572736112. Its totient is φ = 691497216.

The previous prime is 1613493589. The next prime is 1613493617. The reversal of 1613493616 is 6163943161.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613493617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7202985 + ... + 7203208.

Almost surely, 2^1613493616 is an apocalyptic number.

1613493616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1613493616 is an abundant number, since it is smaller than the sum of its proper divisors (1959242496).

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

1613493616 is a wasteful number, since it uses less digits than its factorization.

1613493616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14406208 (or 14406202 counting only the distinct ones).

The product of its digits is 69984, while the sum is 40.

The square root of 1613493616 is about 40168.3160712520. The cubic root of 1613493616 is about 1172.8858597006.

The spelling of 1613493616 in words is "one billion, six hundred thirteen million, four hundred ninety-three thousand, six hundred sixteen".