164808377 has 4 divisors (see below), whose sum is σ = 167066100. Its totient is φ = 162550656.

The previous prime is 164808341. The next prime is 164808383. The reversal of 164808377 is 773808461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773808461 = 11173 ⋅69257.

It can be written as a sum of positive squares in 2 ways, for example, as 101828281 + 62980096 = 10091^2 + 7936^2 .

It is a cyclic number.

It is not a de Polignac number, because 164808377 - 2¹⁶ = 164742841 is a prime.

It is a super-2 number, since 2×164808377² = 54323602258748258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164808577) 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, 1128752 + ... + 1128897.

It is an arithmetic number, because the mean of its divisors is an integer number (41766525).

Almost surely, 2^164808377 is an apocalyptic number.

It is an amenable number.

164808377 is a deficient number, since it is larger than the sum of its proper divisors (2257723).

164808377 is an equidigital number, since it uses as much as digits as its factorization.

164808377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257722.

The product of its (nonzero) digits is 225792, while the sum is 44.

The square root of 164808377 is about 12837.7714966422. The cubic root of 164808377 is about 548.2682467150.

The spelling of 164808377 in words is "one hundred sixty-four million, eight hundred eight thousand, three hundred seventy-seven".