164391480 has 96 divisors (see below), whose sum is σ = 582856560. Its totient is φ = 39851520.

The previous prime is 164391473. The next prime is 164391499. The reversal of 164391480 is 84193461.

164391480 is a `hidden beast` number, since 1 + 643 + 9 + 1 + 4 + 8 + 0 = 666.

164391480 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16797 + ... + 24716.

Almost surely, 2^164391480 is an apocalyptic number.

164391480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164391480 is an abundant number, since it is smaller than the sum of its proper divisors (418465080).

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

164391480 is a wasteful number, since it uses less digits than its factorization.

164391480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41541 (or 41534 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 164391480 is about 12821.5240903724. The cubic root of 164391480 is about 547.8055590915.

The spelling of 164391480 in words is "one hundred sixty-four million, three hundred ninety-one thousand, four hundred eighty".