164768377 has 4 divisors (see below), whose sum is σ = 164869120. Its totient is φ = 164667636.

The previous prime is 164768353. The next prime is 164768407. The reversal of 164768377 is 773867461.

164768377 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 a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 773867461 = 14771 ⋅52391.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164768377 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164768377.

It is not an unprimeable number, because it can be changed into a prime (164768327) 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, 47877 + ... + 51202.

It is an arithmetic number, because the mean of its divisors is an integer number (41217280).

Almost surely, 2^164768377 is an apocalyptic number.

It is an amenable number.

164768377 is a deficient number, since it is larger than the sum of its proper divisors (100743).

164768377 is an equidigital number, since it uses as much as digits as its factorization.

164768377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100742.

The product of its digits is 1185408, while the sum is 49.

The square root of 164768377 is about 12836.2134993151. The cubic root of 164768377 is about 548.2238871084.

The spelling of 164768377 in words is "one hundred sixty-four million, seven hundred sixty-eight thousand, three hundred seventy-seven".