164087766 has 24 divisors (see below), whose sum is σ = 355914000. Its totient is φ = 54635856.

The previous prime is 164087761. The next prime is 164087779. The reversal of 164087766 is 667780461.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164087761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13735 + ... + 22733.

It is an arithmetic number, because the mean of its divisors is an integer number (14829750).

Almost surely, 2^164087766 is an apocalyptic number.

164087766 is an abundant number, since it is smaller than the sum of its proper divisors (191826234).

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

164087766 is a wasteful number, since it uses less digits than its factorization.

164087766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10020 (or 10017 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 164087766 is about 12809.6747031297. The cubic root of 164087766 is about 547.4679933751.

The spelling of 164087766 in words is "one hundred sixty-four million, eighty-seven thousand, seven hundred sixty-six".