164473877 has 4 divisors (see below), whose sum is σ = 170145420. Its totient is φ = 158802336.

The previous prime is 164473853. The next prime is 164473889. The reversal of 164473877 is 778374461.

164473877 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: 778374461 = 17 ⋅45786733.

It can be written as a sum of positive squares in 2 ways, for example, as 114361636 + 50112241 = 10694^2 + 7079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164473877 is a prime.

It is a super-2 number, since 2×164473877² = 54103312430822258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164473577) 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, 2835728 + ... + 2835785.

It is an arithmetic number, because the mean of its divisors is an integer number (42536355).

Almost surely, 2^164473877 is an apocalyptic number.

It is an amenable number.

164473877 is a deficient number, since it is larger than the sum of its proper divisors (5671543).

164473877 is an equidigital number, since it uses as much as digits as its factorization.

164473877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5671542.

The product of its digits is 790272, while the sum is 47.

The square root of 164473877 is about 12824.7369173796. The cubic root of 164473877 is about 547.8970682853.

The spelling of 164473877 in words is "one hundred sixty-four million, four hundred seventy-three thousand, eight hundred seventy-seven".