164456693 has 8 divisors (see below), whose sum is σ = 173184000. Its totient is φ = 155860848.

The previous prime is 164456683. The next prime is 164456707. The reversal of 164456693 is 396654461.

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 164456693 - 2⁶ = 164456629 is a prime.

It is a super-3 number, since 3×164456693³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164456683) 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, 30293 + ... + 35306.

It is an arithmetic number, because the mean of its divisors is an integer number (21648000).

Almost surely, 2^164456693 is an apocalyptic number.

It is an amenable number.

164456693 is a deficient number, since it is larger than the sum of its proper divisors (8727307).

164456693 is a wasteful number, since it uses less digits than its factorization.

164456693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65731.

The product of its digits is 466560, while the sum is 44.

The square root of 164456693 is about 12824.0669446163. The cubic root of 164456693 is about 547.8779864483.

The spelling of 164456693 in words is "one hundred sixty-four million, four hundred fifty-six thousand, six hundred ninety-three".