1606412655 has 40 divisors (see below), whose sum is σ = 2882591712. Its totient is φ = 855876672.

The previous prime is 1606412629. The next prime is 1606412707. The reversal of 1606412655 is 5562146061.

1606412655 is a `hidden beast` number, since 1 + 6 + 0 + 641 + 2 + 6 + 5 + 5 = 666.

It is not a de Polignac number, because 1606412655 - 2¹³ = 1606404463 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 661774 + ... + 664196.

Almost surely, 2^1606412655 is an apocalyptic number.

1606412655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1606412655 is a deficient number, since it is larger than the sum of its proper divisors (1276179057).

1606412655 is a wasteful number, since it uses less digits than its factorization.

1606412655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077 (or 4068 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 1606412655 is about 40080.0780313612. The cubic root of 1606412655 is about 1171.1675721357.

The spelling of 1606412655 in words is "one billion, six hundred six million, four hundred twelve thousand, six hundred fifty-five".