164465886 has 32 divisors (see below), whose sum is σ = 354886560. Its totient is φ = 50511744.

The previous prime is 164465879. The next prime is 164465887. The reversal of 164465886 is 688564461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164465887) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49320 + ... + 52548.

It is an arithmetic number, because the mean of its divisors is an integer number (11090205).

Almost surely, 2^164465886 is an apocalyptic number.

164465886 is an abundant number, since it is smaller than the sum of its proper divisors (190420674).

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

164465886 is a wasteful number, since it uses less digits than its factorization.

164465886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900.

The product of its digits is 1105920, while the sum is 48.

The square root of 164465886 is about 12824.4253672436. The cubic root of 164465886 is about 547.8881949078. Note that the first 3 decimals are identical.

The spelling of 164465886 in words is "one hundred sixty-four million, four hundred sixty-five thousand, eight hundred eighty-six".