1613896488 has 160 divisors (see below), whose sum is σ = 4704305760. Its totient is φ = 516481920.

The previous prime is 1613896477. The next prime is 1613896577. The reversal of 1613896488 is 8846983161.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

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 39 ways as a sum of consecutive naturals, for example, 1989603 + ... + 1990413.

It is an arithmetic number, because the mean of its divisors is an integer number (29401911).

Almost surely, 2^1613896488 is an apocalyptic number.

1613896488 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 1613896488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2352152880).

1613896488 is an abundant number, since it is smaller than the sum of its proper divisors (3090409272).

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

1613896488 is a wasteful number, since it uses less digits than its factorization.

1613896488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 949 (or 936 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 1613896488 is about 40173.3305564774. The cubic root of 1613896488 is about 1172.9834705712.

The spelling of 1613896488 in words is "one billion, six hundred thirteen million, eight hundred ninety-six thousand, four hundred eighty-eight".