164489694 has 8 divisors (see below), whose sum is σ = 328979400. Its totient is φ = 54829896.

The previous prime is 164489621. The next prime is 164489701. The reversal of 164489694 is 496984461.

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

164489694 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13707469 + ... + 13707480.

It is an arithmetic number, because the mean of its divisors is an integer number (41122425).

Almost surely, 2^164489694 is an apocalyptic number.

164489694 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164489694 is a wasteful number, since it uses less digits than its factorization.

164489694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27414954.

The product of its digits is 1492992, while the sum is 51.

The square root of 164489694 is about 12825.3535623779. The cubic root of 164489694 is about 547.9146309732.

The spelling of 164489694 in words is "one hundred sixty-four million, four hundred eighty-nine thousand, six hundred ninety-four".