164092489 has 8 divisors (see below), whose sum is σ = 179403840. Its totient is φ = 148846800.

The previous prime is 164092477. The next prime is 164092507. The reversal of 164092489 is 984290461.

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 164092489 - 2⁵ = 164092457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164032489) 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, 11109 + ... + 21250.

It is an arithmetic number, because the mean of its divisors is an integer number (22425480).

Almost surely, 2^164092489 is an apocalyptic number.

It is an amenable number.

164092489 is a deficient number, since it is larger than the sum of its proper divisors (15311351).

164092489 is a wasteful number, since it uses less digits than its factorization.

164092489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32831.

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 164092489 is about 12809.8590546501. The cubic root of 164092489 is about 547.4732459839.

The spelling of 164092489 in words is "one hundred sixty-four million, ninety-two thousand, four hundred eighty-nine".