164454320 has 20 divisors (see below), whose sum is σ = 382356480. Its totient is φ = 65781696.

The previous prime is 164454313. The next prime is 164454343. The reversal of 164454320 is 23454461.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1027760 + ... + 1027919.

It is an arithmetic number, because the mean of its divisors is an integer number (19117824).

Almost surely, 2^164454320 is an apocalyptic number.

164454320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164454320 is an abundant number, since it is smaller than the sum of its proper divisors (217902160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164454320 is a wasteful number, since it uses less digits than its factorization.

164454320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055692 (or 2055686 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 164454320 is about 12823.9744229314. The cubic root of 164454320 is about 547.8753512647.

The spelling of 164454320 in words is "one hundred sixty-four million, four hundred fifty-four thousand, three hundred twenty".