164643283 has 12 divisors (see below), whose sum is σ = 202790952. Its totient is φ = 132820800.

The previous prime is 164643257. The next prime is 164643307. The reversal of 164643283 is 382346461.

It is not a de Polignac number, because 164643283 - 2¹⁷ = 164512211 is a prime.

It is a super-3 number, since 3×164643283³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164643253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 97993 + ... + 99658.

It is an arithmetic number, because the mean of its divisors is an integer number (16899246).

Almost surely, 2^164643283 is an apocalyptic number.

164643283 is a deficient number, since it is larger than the sum of its proper divisors (38147669).

164643283 is a wasteful number, since it uses less digits than its factorization.

164643283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197682 (or 197675 counting only the distinct ones).

The product of its digits is 82944, while the sum is 37.

The square root of 164643283 is about 12831.3398754768. The cubic root of 164643283 is about 548.0851127413.

The spelling of 164643283 in words is "one hundred sixty-four million, six hundred forty-three thousand, two hundred eighty-three".