164497831 has 8 divisors (see below), whose sum is σ = 180180720. Its totient is φ = 149482368.

The previous prime is 164497793. The next prime is 164497843. The reversal of 164497831 is 138794461.

164497831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 164497831 - 2⁷ = 164497703 is a prime.

It is a super-2 number, since 2×164497831² = 54119072807409122, which contains 22 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 (164497891) 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, 166341 + ... + 167326.

It is an arithmetic number, because the mean of its divisors is an integer number (22522590).

Almost surely, 2^164497831 is an apocalyptic number.

164497831 is a deficient number, since it is larger than the sum of its proper divisors (15682889).

164497831 is a wasteful number, since it uses less digits than its factorization.

164497831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333713.

The product of its digits is 145152, while the sum is 43.

The square root of 164497831 is about 12825.6707816784. The cubic root of 164497831 is about 547.9236655977.

The spelling of 164497831 in words is "one hundred sixty-four million, four hundred ninety-seven thousand, eight hundred thirty-one".