1660160705 has 32 divisors (see below), whose sum is σ = 2299663104. Its totient is φ = 1127022336.

The previous prime is 1660160693. The next prime is 1660160729. The reversal of 1660160705 is 5070610661.

It is a cyclic number.

It is not a de Polignac number, because 1660160705 - 2¹⁰ = 1660159681 is a prime.

It is a super-2 number, since 2×1660160705² = 5512267132852194050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2264519 + ... + 2265251.

It is an arithmetic number, because the mean of its divisors is an integer number (71864472).

Almost surely, 2^1660160705 is an apocalyptic number.

It is an amenable number.

1660160705 is a deficient number, since it is larger than the sum of its proper divisors (639502399).

1660160705 is a wasteful number, since it uses less digits than its factorization.

1660160705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1305.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 1660160705 is about 40745.0697017443. The cubic root of 1660160705 is about 1184.0863556388.

The spelling of 1660160705 in words is "one billion, six hundred sixty million, one hundred sixty thousand, seven hundred five".