164233491 has 8 divisors (see below), whose sum is σ = 224896464. Its totient is φ = 106529760.

The previous prime is 164233483. The next prime is 164233493. The reversal of 164233491 is 194332461.

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

It is not a de Polignac number, because 164233491 - 2³ = 164233483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164233493) 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, 739680 + ... + 739901.

It is an arithmetic number, because the mean of its divisors is an integer number (28112058).

Almost surely, 2^164233491 is an apocalyptic number.

164233491 is a deficient number, since it is larger than the sum of its proper divisors (60662973).

164233491 is a wasteful number, since it uses less digits than its factorization.

164233491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479621.

The product of its digits is 15552, while the sum is 33.

The square root of 164233491 is about 12815.3615243582. The cubic root of 164233491 is about 547.6300127010.

The spelling of 164233491 in words is "one hundred sixty-four million, two hundred thirty-three thousand, four hundred ninety-one".