1660970232 has 64 divisors (see below), whose sum is σ = 4640580000. Its totient is φ = 550444032.

The previous prime is 1660970221. The next prime is 1660970249. The reversal of 1660970232 is 2320790661.

1660970232 is a `hidden beast` number, since 16 + 609 + 7 + 0 + 2 + 32 = 666.

It is a super-2 number, since 2×1660970232² = 5517644223180267648, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 15144 + ... + 59592.

Almost surely, 2^1660970232 is an apocalyptic number.

1660970232 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 1660970232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2320290000).

1660970232 is an abundant number, since it is smaller than the sum of its proper divisors (2979609768).

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

1660970232 is a wasteful number, since it uses less digits than its factorization.

1660970232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44637 (or 44627 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 1660970232 is about 40755.0025395656. The cubic root of 1660970232 is about 1184.2787856270.

The spelling of 1660970232 in words is "one billion, six hundred sixty million, nine hundred seventy thousand, two hundred thirty-two".