164026799 has 4 divisors (see below), whose sum is σ = 165127800. Its totient is φ = 162925800.

The previous prime is 164026781. The next prime is 164026853. The reversal of 164026799 is 997620461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164026799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164026729) 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 3 ways as a sum of consecutive naturals, for example, 550277 + ... + 550574.

It is an arithmetic number, because the mean of its divisors is an integer number (41281950).

Almost surely, 2^164026799 is an apocalyptic number.

164026799 is a deficient number, since it is larger than the sum of its proper divisors (1101001).

164026799 is a wasteful number, since it uses less digits than its factorization.

164026799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1101000.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 164026799 is about 12807.2947572858. The cubic root of 164026799 is about 547.4001808529.

The spelling of 164026799 in words is "one hundred sixty-four million, twenty-six thousand, seven hundred ninety-nine".