1660826120 has 16 divisors (see below), whose sum is σ = 3736858860. Its totient is φ = 664330432.

The previous prime is 1660826051. The next prime is 1660826131. The reversal of 1660826120 is 216280661.

It can be written as a sum of positive squares in 2 ways, for example, as 1620706564 + 40119556 = 40258^2 + 6334^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20760287 + ... + 20760366.

Almost surely, 2^1660826120 is an apocalyptic number.

1660826120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1660826120 is an abundant number, since it is smaller than the sum of its proper divisors (2076032740).

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

1660826120 is a wasteful number, since it uses less digits than its factorization.

1660826120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41520664 (or 41520660 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 1660826120 is about 40753.2344728612. The cubic root of 1660826120 is about 1184.2445338150.

The spelling of 1660826120 in words is "one billion, six hundred sixty million, eight hundred twenty-six thousand, one hundred twenty".