164246089 has 12 divisors (see below), whose sum is σ = 201118800. Its totient is φ = 133372008.

The previous prime is 164246087. The next prime is 164246119. The reversal of 164246089 is 980642461.

It is not a de Polignac number, because 164246089 - 2¹ = 164246087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164246083) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87279 + ... + 89140.

It is an arithmetic number, because the mean of its divisors is an integer number (16759900).

Almost surely, 2^164246089 is an apocalyptic number.

164246089 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

164246089 is a deficient number, since it is larger than the sum of its proper divisors (36872711).

164246089 is a wasteful number, since it uses less digits than its factorization.

164246089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176452 (or 176445 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 164246089 is about 12815.8530344258. The cubic root of 164246089 is about 547.6440148522.

The spelling of 164246089 in words is "one hundred sixty-four million, two hundred forty-six thousand, eighty-nine".