164179747 has 4 divisors (see below), whose sum is σ = 164593696. Its totient is φ = 163765800.

The previous prime is 164179723. The next prime is 164179753. The reversal of 164179747 is 747971461.

164179747 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: 747971461 = 19 ⋅39366919.

It is a cyclic number.

It is not a de Polignac number, because 164179747 - 2²⁷ = 29962019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 164179697 and 164179706.

It is not an unprimeable number, because it can be changed into a prime (164149747) 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, 206379 + ... + 207172.

It is an arithmetic number, because the mean of its divisors is an integer number (41148424).

Almost surely, 2^164179747 is an apocalyptic number.

164179747 is a deficient number, since it is larger than the sum of its proper divisors (413949).

164179747 is an equidigital number, since it uses as much as digits as its factorization.

164179747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413948.

The product of its digits is 296352, while the sum is 46.

The square root of 164179747 is about 12813.2644942653. The cubic root of 164179747 is about 547.5702704437.

The spelling of 164179747 in words is "one hundred sixty-four million, one hundred seventy-nine thousand, seven hundred forty-seven".