1613897712 has 180 divisors, whose sum is σ = 5298398976. Its totient is φ = 457228800.

The previous prime is 1613897693. The next prime is 1613897729. The reversal of 1613897712 is 2177983161.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 895212 + ... + 897012.

Almost surely, 2^1613897712 is an apocalyptic number.

1613897712 is a gapful number since it is divisible by the number (12) 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 1613897712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2649199488).

1613897712 is an abundant number, since it is smaller than the sum of its proper divisors (3684501264).

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

1613897712 is a wasteful number, since it uses less digits than its factorization.

1613897712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956 (or 1940 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 1613897712 is about 40173.3457904616. The cubic root of 1613897712 is about 1172.9837671064.

The spelling of 1613897712 in words is "one billion, six hundred thirteen million, eight hundred ninety-seven thousand, seven hundred twelve".