164970512009 has 8 divisors (see below), whose sum is σ = 165120452640. Its totient is φ = 164820620800.

The previous prime is 164970511987. The next prime is 164970512111. The reversal of 164970512009 is 900215079461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164970512009 is a prime.

It is a super-2 number, since 2×164970512009² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164970511009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10321394 + ... + 10337364.

It is an arithmetic number, because the mean of its divisors is an integer number (20640056580).

Almost surely, 2^164970512009 is an apocalyptic number.

It is an amenable number.

164970512009 is a deficient number, since it is larger than the sum of its proper divisors (149940631).

164970512009 is a wasteful number, since it uses less digits than its factorization.

164970512009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24711.

The product of its (nonzero) digits is 136080, while the sum is 44.

The spelling of 164970512009 in words is "one hundred sixty-four billion, nine hundred seventy million, five hundred twelve thousand, nine".