1660152560 has 80 divisors (see below), whose sum is σ = 4356015840. Its totient is φ = 582865920.

The previous prime is 1660152551. The next prime is 1660152577. The reversal of 1660152560 is 652510661.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1660152560² = 5512213044949107200, which contains 22 as substring.

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, 7007 + ... + 58046.

It is an arithmetic number, because the mean of its divisors is an integer number (54450198).

Almost surely, 2^1660152560 is an apocalyptic number.

1660152560 is a gapful number since it is divisible by the number (10) 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 1660152560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2178007920).

1660152560 is an abundant number, since it is smaller than the sum of its proper divisors (2695863280).

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

1660152560 is a wasteful number, since it uses less digits than its factorization.

1660152560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65106 (or 65100 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 1660152560 is about 40744.9697508785. The cubic root of 1660152560 is about 1184.0844191999.

The spelling of 1660152560 in words is "one billion, six hundred sixty million, one hundred fifty-two thousand, five hundred sixty".