164871768 has 32 divisors (see below), whose sum is σ = 414572400. Its totient is φ = 54638208.

The previous prime is 164871767. The next prime is 164871779. The reversal of 164871768 is 867178461.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164871767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15703 + ... + 24006.

Almost surely, 2^164871768 is an apocalyptic number.

It is an amenable number.

164871768 is an abundant number, since it is smaller than the sum of its proper divisors (249700632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164871768 is a wasteful number, since it uses less digits than its factorization.

164871768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39891 (or 39887 counting only the distinct ones).

The product of its digits is 451584, while the sum is 48.

The square root of 164871768 is about 12840.2401846694. The cubic root of 164871768 is about 548.3385320124.

It can be divided in two parts, 16 and 4871768, that added together give a palindrome (4871784).

The spelling of 164871768 in words is "one hundred sixty-four million, eight hundred seventy-one thousand, seven hundred sixty-eight".