1660160555 has 16 divisors (see below), whose sum is σ = 2081908224. Its totient is φ = 1269633120.

The previous prime is 1660160531. The next prime is 1660160569. The reversal of 1660160555 is 5550610661.

It is not a de Polignac number, because 1660160555 - 2³⁰ = 586418731 is a prime.

It is a super-2 number, since 2×1660160555² = 5512266136755816050, which contains 22 as substring.

It is a Duffinian 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, 72041 + ... + 92250.

It is an arithmetic number, because the mean of its divisors is an integer number (130119264).

Almost surely, 2^1660160555 is an apocalyptic number.

1660160555 is a deficient number, since it is larger than the sum of its proper divisors (421747669).

1660160555 is a wasteful number, since it uses less digits than its factorization.

1660160555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164386.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 1660160555 is about 40745.0678610307. The cubic root of 1660160555 is about 1184.0863199770.

The spelling of 1660160555 in words is "one billion, six hundred sixty million, one hundred sixty thousand, five hundred fifty-five".