164066529 has 16 divisors (see below), whose sum is σ = 238956480. Its totient is φ = 99303360.

The previous prime is 164066491. The next prime is 164066531. The reversal of 164066529 is 925660461.

It is not a de Polignac number, because 164066529 - 2¹² = 164062433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164066549) 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, 26107 + ... + 31775.

It is an arithmetic number, because the mean of its divisors is an integer number (14934780).

Almost surely, 2^164066529 is an apocalyptic number.

It is an amenable number.

164066529 is a deficient number, since it is larger than the sum of its proper divisors (74889951).

164066529 is a wasteful number, since it uses less digits than its factorization.

164066529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 164066529 is about 12808.8457325397. The cubic root of 164066529 is about 547.4443737401. Note that the first 3 decimals are identical.

The spelling of 164066529 in words is "one hundred sixty-four million, sixty-six thousand, five hundred twenty-nine".