1660870224 has 160 divisors (see below), whose sum is σ = 5153420160. Its totient is φ = 509110272.

The previous prime is 1660870219. The next prime is 1660870247. The reversal of 1660870224 is 4220780661.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2431387 + ... + 2432069.

It is an arithmetic number, because the mean of its divisors is an integer number (32208876).

Almost surely, 2^1660870224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1660870224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2576710080).

1660870224 is an abundant number, since it is smaller than the sum of its proper divisors (3492549936).

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

1660870224 is a wasteful number, since it uses less digits than its factorization.

1660870224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1146 (or 1134 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 1660870224 is about 40753.7755796932. The cubic root of 1660870224 is about 1184.2550164413.

The spelling of 1660870224 in words is "one billion, six hundred sixty million, eight hundred seventy thousand, two hundred twenty-four".