1606426005 has 8 divisors (see below), whose sum is σ = 2570281632. Its totient is φ = 856760528.

The previous prime is 1606425991. The next prime is 1606426009. The reversal of 1606426005 is 5006246061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1606426005 - 2¹⁵ = 1606393237 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606426009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53547519 + ... + 53547548.

It is an arithmetic number, because the mean of its divisors is an integer number (321285204).

Almost surely, 2^1606426005 is an apocalyptic number.

1606426005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1606426005 is a deficient number, since it is larger than the sum of its proper divisors (963855627).

1606426005 is a wasteful number, since it uses less digits than its factorization.

1606426005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107095075.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 1606426005 is about 40080.2445726071. The cubic root of 1606426005 is about 1171.1708164336.

The spelling of 1606426005 in words is "one billion, six hundred six million, four hundred twenty-six thousand, five".