1613537496 has 96 divisors (see below), whose sum is σ = 4688283600. Its totient is φ = 519281280.

The previous prime is 1613537449. The next prime is 1613537501. The reversal of 1613537496 is 6947353161.

It is a happy number.

1613537496 is a `hidden beast` number, since 16 + 13 + 537 + 4 + 96 = 666.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 42066 + ... + 70686.

Almost surely, 2^1613537496 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1613537496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2344141800).

1613537496 is an abundant number, since it is smaller than the sum of its proper divisors (3074746104).

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

1613537496 is a wasteful number, since it uses less digits than its factorization.

1613537496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28671 (or 28655 counting only the distinct ones).

The product of its digits is 408240, while the sum is 45.

The square root of 1613537496 is about 40168.8622691756. The cubic root of 1613537496 is about 1172.8964920668.

The spelling of 1613537496 in words is "one billion, six hundred thirteen million, five hundred thirty-seven thousand, four hundred ninety-six".