164716087117 has 16 divisors (see below), whose sum is σ = 179405424000. Its totient is φ = 150631233984.

The previous prime is 164716087091. The next prime is 164716087187. The reversal of 164716087117 is 711780617461.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164716087117 is a prime.

It is a super-4 number, since 4×164716087117⁴ (a number of 46 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164716087187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2537259 + ... + 2601367.

It is an arithmetic number, because the mean of its divisors is an integer number (11212839000).

Almost surely, 2^164716087117 is an apocalyptic number.

It is an amenable number.

164716087117 is a deficient number, since it is larger than the sum of its proper divisors (14689336883).

164716087117 is a wasteful number, since it uses less digits than its factorization.

164716087117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68820.

The product of its (nonzero) digits is 395136, while the sum is 49.

The spelling of 164716087117 in words is "one hundred sixty-four billion, seven hundred sixteen million, eighty-seven thousand, one hundred seventeen".