160005561660 has 144 divisors (see below), whose sum is σ = 562498739712. Its totient is φ = 36057571200.

The previous prime is 160005561659. The next prime is 160005561689. The reversal of 160005561660 is 66165500061.

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 47 ways as a sum of consecutive naturals, for example, 804826 + ... + 983745.

It is an arithmetic number, because the mean of its divisors is an integer number (3906241248).

Almost surely, 2^160005561660 is an apocalyptic number.

160005561660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

160005561660 is an abundant number, since it is smaller than the sum of its proper divisors (402493178052).

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

160005561660 is a wasteful number, since it uses less digits than its factorization.

160005561660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788664 (or 1788659 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 160005561660 in words is "one hundred sixty billion, five million, five hundred sixty-one thousand, six hundred sixty".