164832881 has 4 divisors (see below), whose sum is σ = 171999552. Its totient is φ = 157666212.

The previous prime is 164832851. The next prime is 164832917. The reversal of 164832881 is 188238461.

164832881 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: 188238461 = 3221 ⋅58441.

It is a cyclic number.

It is not a de Polignac number, because 164832881 - 2¹⁴ = 164816497 is a prime.

It is a super-2 number, since 2×164832881² = 54339757317520322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164832851) 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, 3583301 + ... + 3583346.

It is an arithmetic number, because the mean of its divisors is an integer number (42999888).

Almost surely, 2^164832881 is an apocalyptic number.

It is an amenable number.

164832881 is a deficient number, since it is larger than the sum of its proper divisors (7166671).

164832881 is an equidigital number, since it uses as much as digits as its factorization.

164832881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7166670.

The product of its digits is 73728, while the sum is 41.

The square root of 164832881 is about 12838.7258324181. The cubic root of 164832881 is about 548.2954178649.

The spelling of 164832881 in words is "one hundred sixty-four million, eight hundred thirty-two thousand, eight hundred eighty-one".