1660160745 has 16 divisors (see below), whose sum is σ = 2951397120. Its totient is φ = 885418992.

The previous prime is 1660160737. The next prime is 1660160791. The reversal of 1660160745 is 5470610661.

1660160745 is a `hidden beast` number, since 1 + 6 + 6 + 0 + 1 + 607 + 45 = 666.

It is not a de Polignac number, because 1660160745 - 2³ = 1660160737 is a prime.

It is a super-2 number, since 2×1660160745² = 5512267398477910050, which contains 22 as substring.

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, 6148609 + ... + 6148878.

It is an arithmetic number, because the mean of its divisors is an integer number (184462320).

Almost surely, 2^1660160745 is an apocalyptic number.

1660160745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1660160745 is a deficient number, since it is larger than the sum of its proper divisors (1291236375).

1660160745 is a wasteful number, since it uses less digits than its factorization.

1660160745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12297501 (or 12297495 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1660160745 is about 40745.0701926012. The cubic root of 1660160745 is about 1184.0863651486.

The spelling of 1660160745 in words is "one billion, six hundred sixty million, one hundred sixty thousand, seven hundred forty-five".