1605606141 has 16 divisors (see below), whose sum is σ = 2245829760. Its totient is φ = 1018933440.

The previous prime is 1605606139. The next prime is 1605606169. The reversal of 1605606141 is 1416065061.

It is not a de Polignac number, because 1605606141 - 2¹ = 1605606139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1605606099 and 1605606108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1605606131) 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, 123790 + ... + 136143.

It is an arithmetic number, because the mean of its divisors is an integer number (140364360).

Almost surely, 2^1605606141 is an apocalyptic number.

It is an amenable number.

1605606141 is a deficient number, since it is larger than the sum of its proper divisors (640223619).

1605606141 is a wasteful number, since it uses less digits than its factorization.

1605606141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260036.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1605606141 is about 40070.0154853976. The cubic root of 1605606141 is about 1170.9715409022.

The spelling of 1605606141 in words is "one billion, six hundred five million, six hundred six thousand, one hundred forty-one".