164212352249 has 8 divisors (see below), whose sum is σ = 179228030592. Its totient is φ = 149211221040.

The previous prime is 164212352237. The next prime is 164212352263. The reversal of 164212352249 is 942253212461.

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

It is a cyclic number.

It is not a de Polignac number, because 164212352249 - 2²⁸ = 163943916793 is a prime.

It is a super-2 number, since 2×164212352249² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164212351249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3613169 + ... + 3658334.

It is an arithmetic number, because the mean of its divisors is an integer number (22403503824).

Almost surely, 2^164212352249 is an apocalyptic number.

It is an amenable number.

164212352249 is a deficient number, since it is larger than the sum of its proper divisors (15015678343).

164212352249 is a wasteful number, since it uses less digits than its factorization.

164212352249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273567.

The product of its digits is 207360, while the sum is 41.

The spelling of 164212352249 in words is "one hundred sixty-four billion, two hundred twelve million, three hundred fifty-two thousand, two hundred forty-nine".