164734331 has 4 divisors (see below), whose sum is σ = 165176352. Its totient is φ = 164292312.

The previous prime is 164734319. The next prime is 164734373. The reversal of 164734331 is 133437461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164734331 - 2²⁶ = 97625467 is a prime.

It is a super-2 number, since 2×164734331² = 54274799620035122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164734391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220451 + ... + 221196.

It is an arithmetic number, because the mean of its divisors is an integer number (41294088).

Almost surely, 2^164734331 is an apocalyptic number.

164734331 is a deficient number, since it is larger than the sum of its proper divisors (442021).

164734331 is an equidigital number, since it uses as much as digits as its factorization.

164734331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442020.

The product of its digits is 18144, while the sum is 32.

The square root of 164734331 is about 12834.8872608995. The cubic root of 164734331 is about 548.1861247729.

The spelling of 164734331 in words is "one hundred sixty-four million, seven hundred thirty-four thousand, three hundred thirty-one".