164297111 has 8 divisors (see below), whose sum is σ = 179326224. Its totient is φ = 149283520.

The previous prime is 164297099. The next prime is 164297149. The reversal of 164297111 is 111792461.

It is a happy number.

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-164297111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164297311) 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 7 ways as a sum of consecutive naturals, for example, 37445 + ... + 41601.

It is an arithmetic number, because the mean of its divisors is an integer number (22415778).

Almost surely, 2^164297111 is an apocalyptic number.

164297111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

164297111 is a deficient number, since it is larger than the sum of its proper divisors (15029113).

164297111 is a wasteful number, since it uses less digits than its factorization.

164297111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7761.

The product of its digits is 3024, while the sum is 32.

The square root of 164297111 is about 12817.8434613628. The cubic root of 164297111 is about 547.7007163547.

The spelling of 164297111 in words is "one hundred sixty-four million, two hundred ninety-seven thousand, one hundred eleven".