164191480 has 32 divisors (see below), whose sum is σ = 385495200. Its totient is φ = 62820736.

The previous prime is 164191471. The next prime is 164191481. The reversal of 164191480 is 84191461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164191481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88315 + ... + 90154.

It is an arithmetic number, because the mean of its divisors is an integer number (12046725).

Almost surely, 2^164191480 is an apocalyptic number.

164191480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164191480 is an abundant number, since it is smaller than the sum of its proper divisors (221303720).

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

164191480 is a wasteful number, since it uses less digits than its factorization.

164191480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178503 (or 178499 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 164191480 is about 12813.7223319377. The cubic root of 164191480 is about 547.5833140521.

The spelling of 164191480 in words is "one hundred sixty-four million, one hundred ninety-one thousand, four hundred eighty".