86161603 has 4 divisors (see below), whose sum is σ = 93994488. Its totient is φ = 78328720.

The previous prime is 86161601. The next prime is 86161609. The reversal of 86161603 is 30616168.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86161603 - 2¹ = 86161601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86161601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3916426 + ... + 3916447.

It is an arithmetic number, because the mean of its divisors is an integer number (23498622).

Almost surely, 2^86161603 is an apocalyptic number.

86161603 is a deficient number, since it is larger than the sum of its proper divisors (7832885).

86161603 is a wasteful number, since it uses less digits than its factorization.

86161603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7832884.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 86161603 is about 9282.3274559778. The cubic root of 86161603 is about 441.6768024888.

The spelling of 86161603 in words is "eighty-six million, one hundred sixty-one thousand, six hundred three".