164651466 has 24 divisors (see below), whose sum is σ = 383067360. Its totient is φ = 47043192.

The previous prime is 164651453. The next prime is 164651467. The reversal of 164651466 is 664156461.

It is a happy number.

It is a super-2 number, since 2×164651466² = 54220210511898312, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164651467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279726 + ... + 280313.

It is an arithmetic number, because the mean of its divisors is an integer number (15961140).

Almost surely, 2^164651466 is an apocalyptic number.

164651466 is an abundant number, since it is smaller than the sum of its proper divisors (218415894).

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

164651466 is a wasteful number, since it uses less digits than its factorization.

164651466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560058 (or 560051 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 164651466 is about 12831.6587392278. The cubic root of 164651466 is about 548.0941927881.

The spelling of 164651466 in words is "one hundred sixty-four million, six hundred fifty-one thousand, four hundred sixty-six".