164340377 has 4 divisors (see below), whose sum is σ = 174007476. Its totient is φ = 154673280.

The previous prime is 164340353. The next prime is 164340383. The reversal of 164340377 is 773043461.

164340377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 773043461 = 137 ⋅5642653.

It can be written as a sum of positive squares in 2 ways, for example, as 142587481 + 21752896 = 11941^2 + 4664^2 .

It is a cyclic number.

It is not a de Polignac number, because 164340377 - 2¹² = 164336281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164340277) 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, 4833524 + ... + 4833557.

It is an arithmetic number, because the mean of its divisors is an integer number (43501869).

Almost surely, 2^164340377 is an apocalyptic number.

164340377 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

164340377 is a deficient number, since it is larger than the sum of its proper divisors (9667099).

164340377 is an equidigital number, since it uses as much as digits as its factorization.

164340377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9667098.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 164340377 is about 12819.5310756673. The cubic root of 164340377 is about 547.7487893027.

The spelling of 164340377 in words is "one hundred sixty-four million, three hundred forty thousand, three hundred seventy-seven".