88168613 has 16 divisors (see below), whose sum is σ = 104010480. Its totient is φ = 73952256.

The previous prime is 88168609. The next prime is 88168643. The reversal of 88168613 is 31686188.

It can be written as a sum of positive squares in 8 ways, for example, as 9012004 + 79156609 = 3002^2 + 8897^2 .

It is a cyclic number.

It is not a de Polignac number, because 88168613 - 2² = 88168609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88168643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 470 + ... + 13287.

It is an arithmetic number, because the mean of its divisors is an integer number (6500655).

Almost surely, 2^88168613 is an apocalyptic number.

It is an amenable number.

88168613 is a deficient number, since it is larger than the sum of its proper divisors (15841867).

88168613 is a wasteful number, since it uses less digits than its factorization.

88168613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13816.

The product of its digits is 55296, while the sum is 41.

The square root of 88168613 is about 9389.8143219129. The cubic root of 88168613 is about 445.0799216803.

The spelling of 88168613 in words is "eighty-eight million, one hundred sixty-eight thousand, six hundred thirteen".