164612447 has 8 divisors (see below), whose sum is σ = 174643200. Its totient is φ = 154718424.

The previous prime is 164612431. The next prime is 164612453. The reversal of 164612447 is 744216461.

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 164612447 - 2⁴ = 164612431 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 (164612467) 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, 31697 + ... + 36522.

It is an arithmetic number, because the mean of its divisors is an integer number (21830400).

Almost surely, 2^164612447 is an apocalyptic number.

164612447 is a deficient number, since it is larger than the sum of its proper divisors (10030753).

164612447 is a wasteful number, since it uses less digits than its factorization.

164612447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68365.

The product of its digits is 32256, while the sum is 35.

The square root of 164612447 is about 12830.1382299646. The cubic root of 164612447 is about 548.0508936962.

The spelling of 164612447 in words is "one hundred sixty-four million, six hundred twelve thousand, four hundred forty-seven".