1606162563 has 24 divisors (see below), whose sum is σ = 2385439056. Its totient is φ = 1040644800.

The previous prime is 1606162541. The next prime is 1606162583. The reversal of 1606162563 is 3652616061.

1606162563 is a `hidden beast` number, since 16 + 0 + 616 + 25 + 6 + 3 = 666.

It is not a de Polignac number, because 1606162563 - 2⁸ = 1606162307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1606162583) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 361093 + ... + 365513.

It is an arithmetic number, because the mean of its divisors is an integer number (99393294).

Almost surely, 2^1606162563 is an apocalyptic number.

1606162563 is a deficient number, since it is larger than the sum of its proper divisors (779276493).

1606162563 is a wasteful number, since it uses less digits than its factorization.

1606162563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5555 (or 5552 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1606162563 is about 40076.9580058168. The cubic root of 1606162563 is about 1171.1067918124.

The spelling of 1606162563 in words is "one billion, six hundred six million, one hundred sixty-two thousand, five hundred sixty-three".