88166563 has 4 divisors (see below), whose sum is σ = 88188480. Its totient is φ = 88144648.

The previous prime is 88166557. The next prime is 88166569. The reversal of 88166563 is 36566188.

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

It is an interprime number because it is at equal distance from previous prime (88166557) and next prime (88166569).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-88166563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (88166569) 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, 2995 + ... + 13612.

It is an arithmetic number, because the mean of its divisors is an integer number (22047120).

Almost surely, 2^88166563 is an apocalyptic number.

88166563 is a deficient number, since it is larger than the sum of its proper divisors (21917).

88166563 is a wasteful number, since it uses less digits than its factorization.

88166563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21916.

The product of its digits is 207360, while the sum is 43.

The square root of 88166563 is about 9389.7051604403. The cubic root of 88166563 is about 445.0764721500.

The spelling of 88166563 in words is "eighty-eight million, one hundred sixty-six thousand, five hundred sixty-three".