164422460 has 24 divisors (see below), whose sum is σ = 357194880. Its totient is φ = 63500864.

The previous prime is 164422459. The next prime is 164422471. The reversal of 164422460 is 64224461.

It is a happy number.

It is a super-3 number, since 3×164422460³ (a number of 26 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141164 + ... + 142323.

It is an arithmetic number, because the mean of its divisors is an integer number (14883120).

Almost surely, 2^164422460 is an apocalyptic number.

164422460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164422460 is an abundant number, since it is smaller than the sum of its proper divisors (192772420).

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

164422460 is a wasteful number, since it uses less digits than its factorization.

164422460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283525 (or 283523 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 164422460 is about 12822.7321581635. The cubic root of 164422460 is about 547.8399687220.

The spelling of 164422460 in words is "one hundred sixty-four million, four hundred twenty-two thousand, four hundred sixty".