164126780 has 12 divisors (see below), whose sum is σ = 344666280. Its totient is φ = 65650704.

The previous prime is 164126779. The next prime is 164126791. The reversal of 164126780 is 87621461.

It is a self number, because there is not a number n which added to its sum of digits gives 164126780.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4103150 + ... + 4103189.

It is an arithmetic number, because the mean of its divisors is an integer number (28722190).

Almost surely, 2^164126780 is an apocalyptic number.

164126780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164126780 is an abundant number, since it is smaller than the sum of its proper divisors (180539500).

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

164126780 is a wasteful number, since it uses less digits than its factorization.

164126780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8206348 (or 8206346 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 164126780 is about 12811.1974459845. The cubic root of 164126780 is about 547.5113791481.

The spelling of 164126780 in words is "one hundred sixty-four million, one hundred twenty-six thousand, seven hundred eighty".