1606474660 has 24 divisors (see below), whose sum is σ = 3855539520. Its totient is φ = 550791264.

The previous prime is 1606474657. The next prime is 1606474693. The reversal of 1606474660 is 664746061.

It is a happy number.

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, 5737270 + ... + 5737549.

It is an arithmetic number, because the mean of its divisors is an integer number (160647480).

Almost surely, 2^1606474660 is an apocalyptic number.

1606474660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1606474660 is an abundant number, since it is smaller than the sum of its proper divisors (2249064860).

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

1606474660 is a wasteful number, since it uses less digits than its factorization.

1606474660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11474835 (or 11474833 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 1606474660 is about 40080.8515378603. The cubic root of 1606474660 is about 1171.1826403501.

The spelling of 1606474660 in words is "one billion, six hundred six million, four hundred seventy-four thousand, six hundred sixty".