1606112540 has 24 divisors (see below), whose sum is σ = 3519482400. Its totient is φ = 614512448.

The previous prime is 1606112537. The next prime is 1606112549. The reversal of 1606112540 is 452116061.

It is a super-2 number, since 2×1606112540² = 5159194982290503200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606112549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1745315 + ... + 1746234.

It is an arithmetic number, because the mean of its divisors is an integer number (146645100).

Almost surely, 2^1606112540 is an apocalyptic number.

1606112540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1606112540 is an abundant number, since it is smaller than the sum of its proper divisors (1913369860).

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

1606112540 is a wasteful number, since it uses less digits than its factorization.

1606112540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491581 (or 3491579 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 1606112540 is about 40076.3339141693. Note that the first 3 decimals coincide. The cubic root of 1606112540 is about 1171.0946338726.

The spelling of 1606112540 in words is "one billion, six hundred six million, one hundred twelve thousand, five hundred forty".