913161603 has 16 divisors (see below), whose sum is σ = 1282406400. Its totient is φ = 576384480.

The previous prime is 913161583. The next prime is 913161629. The reversal of 913161603 is 306161319.

It is not a de Polignac number, because 913161603 - 2⁹ = 913161091 is a prime.

It is a super-2 number, since 2×913161603² = 1667728226387059218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (913161653) 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, 116533 + ... + 124121.

It is an arithmetic number, because the mean of its divisors is an integer number (80150400).

Almost surely, 2^913161603 is an apocalyptic number.

913161603 is a deficient number, since it is larger than the sum of its proper divisors (369244797).

913161603 is a wasteful number, since it uses less digits than its factorization.

913161603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9722.

The product of its (nonzero) digits is 2916, while the sum is 30.

The square root of 913161603 is about 30218.5638805023. The cubic root of 913161603 is about 970.1730668630.

The spelling of 913161603 in words is "nine hundred thirteen million, one hundred sixty-one thousand, six hundred three".