68164117 has 4 divisors (see below), whose sum is σ = 77901856. Its totient is φ = 58426380.

The previous prime is 68164097. The next prime is 68164127. The reversal of 68164117 is 71146186.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71146186 = 2 ⋅35573093.

It is a cyclic number.

It is not a de Polignac number, because 68164117 - 2²³ = 59775509 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 (68164127) 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, 4868859 + ... + 4868872.

It is an arithmetic number, because the mean of its divisors is an integer number (19475464).

Almost surely, 2^68164117 is an apocalyptic number.

It is an amenable number.

68164117 is a deficient number, since it is larger than the sum of its proper divisors (9737739).

68164117 is an equidigital number, since it uses as much as digits as its factorization.

68164117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9737738.

The product of its digits is 8064, while the sum is 34.

The square root of 68164117 is about 8256.1563090823. The cubic root of 68164117 is about 408.4936135277.

The spelling of 68164117 in words is "sixty-eight million, one hundred sixty-four thousand, one hundred seventeen".