164249699 has 8 divisors (see below), whose sum is σ = 183065040. Its totient is φ = 146451456.

The previous prime is 164249669. The next prime is 164249741. The reversal of 164249699 is 996942461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164249699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164249609) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 253934 + ... + 254579.

It is an arithmetic number, because the mean of its divisors is an integer number (22883130).

Almost surely, 2^164249699 is an apocalyptic number.

164249699 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

164249699 is a deficient number, since it is larger than the sum of its proper divisors (18815341).

164249699 is a wasteful number, since it uses less digits than its factorization.

164249699 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508549.

The product of its digits is 839808, while the sum is 50.

The square root of 164249699 is about 12815.9938748425. The cubic root of 164249699 is about 547.6480270845.

The spelling of 164249699 in words is "one hundred sixty-four million, two hundred forty-nine thousand, six hundred ninety-nine".