1603161153 has 48 divisors (see below), whose sum is σ = 2627456832. Its totient is φ = 968760000.

The previous prime is 1603161121. The next prime is 1603161163. The reversal of 1603161153 is 3511613061.

1603161153 is a `hidden beast` number, since 1 + 603 + 1 + 6 + 1 + 1 + 53 = 666.

It is not a de Polignac number, because 1603161153 - 2⁵ = 1603161121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1603161163) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1231603 + ... + 1232903.

It is an arithmetic number, because the mean of its divisors is an integer number (54738684).

Almost surely, 2^1603161153 is an apocalyptic number.

It is an amenable number.

1603161153 is a deficient number, since it is larger than the sum of its proper divisors (1024295679).

1603161153 is a wasteful number, since it uses less digits than its factorization.

1603161153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788 (or 1776 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 1603161153 is about 40039.4949143967. The cubic root of 1603161153 is about 1170.3768608474.

The spelling of 1603161153 in words is "one billion, six hundred three million, one hundred sixty-one thousand, one hundred fifty-three".