1600451660 has 24 divisors (see below), whose sum is σ = 3361705200. Its totient is φ = 640036544.

The previous prime is 1600451659. The next prime is 1600451747. The reversal of 1600451660 is 661540061.

It is a super-2 number, since 2×1600451660² = 5122891031993511200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153947 + ... + 164013.

It is an arithmetic number, because the mean of its divisors is an integer number (140071050).

Almost surely, 2^1600451660 is an apocalyptic number.

1600451660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1600451660 is an abundant number, since it is smaller than the sum of its proper divisors (1761253540).

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

1600451660 is a wasteful number, since it uses less digits than its factorization.

1600451660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18025 (or 18023 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1600451660 is about 40005.6453516251. The cubic root of 1600451660 is about 1169.7171400853.

The spelling of 1600451660 in words is "one billion, six hundred million, four hundred fifty-one thousand, six hundred sixty".