86161663 has 8 divisors (see below), whose sum is σ = 99427328. Its totient is φ = 73135224.

The previous prime is 86161633. The next prime is 86161687. The reversal of 86161663 is 36616168.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86161663 - 2¹³ = 86153471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86161633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59031 + ... + 60472.

It is an arithmetic number, because the mean of its divisors is an integer number (12428416).

Almost surely, 2^86161663 is an apocalyptic number.

86161663 is a deficient number, since it is larger than the sum of its proper divisors (13265665).

86161663 is a wasteful number, since it uses less digits than its factorization.

86161663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119613.

The product of its digits is 31104, while the sum is 37.

The square root of 86161663 is about 9282.3306879253. The cubic root of 86161663 is about 441.6769050117.

The spelling of 86161663 in words is "eighty-six million, one hundred sixty-one thousand, six hundred sixty-three".