164388699 has 12 divisors (see below), whose sum is σ = 242973016. Its totient is φ = 107043552.

The previous prime is 164388689. The next prime is 164388727. The reversal of 164388699 is 996883461.

It is not a de Polignac number, because 164388699 - 2⁴ = 164388683 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164388649) 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, 212002 + ... + 212775.

Almost surely, 2^164388699 is an apocalyptic number.

164388699 is a deficient number, since it is larger than the sum of its proper divisors (78584317).

164388699 is a wasteful number, since it uses less digits than its factorization.

164388699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424826 (or 424823 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 164388699 is about 12821.4156394682. The cubic root of 164388699 is about 547.8024700103.

The spelling of 164388699 in words is "one hundred sixty-four million, three hundred eighty-eight thousand, six hundred ninety-nine".