69164005 has 8 divisors (see below), whose sum is σ = 83048472. Its totient is φ = 55296768.

The previous prime is 69163981. The next prime is 69164021. The reversal of 69164005 is 50046196.

It can be written as a sum of positive squares in 4 ways, for example, as 1249924 + 67914081 = 1118^2 + 8241^2 .

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 69164005 - 2⁷ = 69163877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7449 + ... + 13921.

It is an arithmetic number, because the mean of its divisors is an integer number (10381059).

Almost surely, 2^69164005 is an apocalyptic number.

It is an amenable number.

69164005 is a deficient number, since it is larger than the sum of its proper divisors (13884467).

69164005 is a wasteful number, since it uses less digits than its factorization.

69164005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8615.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 69164005 is about 8316.4899446822. The cubic root of 69164005 is about 410.4813007308.

The spelling of 69164005 in words is "sixty-nine million, one hundred sixty-four thousand, five".