1660523376 has 80 divisors (see below), whose sum is σ = 4373827200. Its totient is φ = 542701824.

The previous prime is 1660523321. The next prime is 1660523437. The reversal of 1660523376 is 6733250661.

1660523376 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2007475 + ... + 2008301.

It is an arithmetic number, because the mean of its divisors is an integer number (54672840).

Almost surely, 2^1660523376 is an apocalyptic number.

1660523376 is a gapful number since it is divisible by the number (16) 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 1660523376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2186913600).

1660523376 is an abundant number, since it is smaller than the sum of its proper divisors (2713303824).

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

1660523376 is a wasteful number, since it uses less digits than its factorization.

1660523376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606 (or 1600 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The square root of 1660523376 is about 40749.5199480926. The cubic root of 1660523376 is about 1184.1725726969.

The spelling of 1660523376 in words is "one billion, six hundred sixty million, five hundred twenty-three thousand, three hundred seventy-six".