1613086488 has 384 divisors, whose sum is σ = 5283532800. Its totient is φ = 457228800.

The previous prime is 1613086487. The next prime is 1613086499. The reversal of 1613086488 is 8846803161.

It is a happy number.

1613086488 is a `hidden beast` number, since 1 + 61 + 30 + 86 + 488 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1613086481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 22719493 + ... + 22719563.

It is an arithmetic number, because the mean of its divisors is an integer number (13759200).

Almost surely, 2^1613086488 is an apocalyptic number.

1613086488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1613086488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2641766400).

1613086488 is an abundant number, since it is smaller than the sum of its proper divisors (3670446312).

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

1613086488 is a wasteful number, since it uses less digits than its factorization.

1613086488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 1613086488 is about 40163.2479762282. The cubic root of 1613086488 is about 1172.7872011462.

The spelling of 1613086488 in words is "one billion, six hundred thirteen million, eighty-six thousand, four hundred eighty-eight".