164232653 has 8 divisors (see below), whose sum is σ = 177473688. Its totient is φ = 151078464.

The previous prime is 164232641. The next prime is 164232659. The reversal of 164232653 is 356232461.

It can be written as a sum of positive squares in 4 ways, for example, as 29626249 + 134606404 = 5443^2 + 11602^2 .

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 164232653 - 2¹⁰ = 164231629 is a prime.

It is a super-2 number, since 2×164232653² = 53944728622836818, 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 (164232659) 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, 17750 + ... + 25367.

It is an arithmetic number, because the mean of its divisors is an integer number (22184211).

Almost surely, 2^164232653 is an apocalyptic number.

164232653 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

164232653 is a deficient number, since it is larger than the sum of its proper divisors (13241035).

164232653 is a wasteful number, since it uses less digits than its factorization.

164232653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43423.

The product of its digits is 25920, while the sum is 32.

The square root of 164232653 is about 12815.3288291795. The cubic root of 164232653 is about 547.6290812736.

The spelling of 164232653 in words is "one hundred sixty-four million, two hundred thirty-two thousand, six hundred fifty-three".