1660113285 has 8 divisors (see below), whose sum is σ = 2656181280. Its totient is φ = 885393744.

The previous prime is 1660113283. The next prime is 1660113307. The reversal of 1660113285 is 5823110661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1660113285 - 2¹ = 1660113283 is a prime.

It is a super-2 number, since 2×1660113285² = 5511952238066982450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1660113283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55337095 + ... + 55337124.

It is an arithmetic number, because the mean of its divisors is an integer number (332022660).

Almost surely, 2^1660113285 is an apocalyptic number.

1660113285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1660113285 is a deficient number, since it is larger than the sum of its proper divisors (996067995).

1660113285 is a wasteful number, since it uses less digits than its factorization.

1660113285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110674227.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 1660113285 is about 40744.4877866933. The cubic root of 1660113285 is about 1184.0750816480.

The spelling of 1660113285 in words is "one billion, six hundred sixty million, one hundred thirteen thousand, two hundred eighty-five".