164916468 has 36 divisors (see below), whose sum is σ = 418682628. Its totient is φ = 54733440.

The previous prime is 164916449. The next prime is 164916487. The reversal of 164916468 is 864619461.

It is an interprime number because it is at equal distance from previous prime (164916449) and next prime (164916487).

It can be written as a sum of positive squares in 2 ways, for example, as 61121124 + 103795344 = 7818^2 + 10188^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1443 + ... + 18218.

It is an arithmetic number, because the mean of its divisors is an integer number (11630073).

Almost surely, 2^164916468 is an apocalyptic number.

164916468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

164916468 is an abundant number, since it is smaller than the sum of its proper divisors (253766160).

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

164916468 is a wasteful number, since it uses less digits than its factorization.

164916468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19904 (or 19899 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 164916468 is about 12841.9806883518. The cubic root of 164916468 is about 548.3880826781.

The spelling of 164916468 in words is "one hundred sixty-four million, nine hundred sixteen thousand, four hundred sixty-eight".