1606441540 has 48 divisors (see below), whose sum is σ = 3682977984. Its totient is φ = 583721600.

The previous prime is 1606441523. The next prime is 1606441547. The reversal of 1606441540 is 451446061.

It is not an unprimeable number, because it can be changed into a prime (1606441547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 497130 + ... + 500350.

It is an arithmetic number, because the mean of its divisors is an integer number (76728708).

Almost surely, 2^1606441540 is an apocalyptic number.

1606441540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1606441540 is an abundant number, since it is smaller than the sum of its proper divisors (2076536444).

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

1606441540 is a wasteful number, since it uses less digits than its factorization.

1606441540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508 (or 5506 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1606441540 is about 40080.4383708562. The cubic root of 1606441540 is about 1171.1745917045.

The spelling of 1606441540 in words is "one billion, six hundred six million, four hundred forty-one thousand, five hundred forty".