1606404462 has 64 divisors (see below), whose sum is σ = 3536870400. Its totient is φ = 483398784.

The previous prime is 1606404461. The next prime is 1606404463. The reversal of 1606404462 is 2644046061.

It is an interprime number because it is at equal distance from previous prime (1606404461) and next prime (1606404463).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606404461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 777643 + ... + 779705.

It is an arithmetic number, because the mean of its divisors is an integer number (55263600).

Almost surely, 2^1606404462 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1606404462, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768435200).

1606404462 is an abundant number, since it is smaller than the sum of its proper divisors (1930465938).

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

1606404462 is a wasteful number, since it uses less digits than its factorization.

1606404462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297.

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 1606404462 is about 40079.9758233460. The cubic root of 1606404462 is about 1171.1655810756.

The spelling of 1606404462 in words is "one billion, six hundred six million, four hundred four thousand, four hundred sixty-two".