164171492 has 6 divisors (see below), whose sum is σ = 287300118. Its totient is φ = 82085744.

The previous prime is 164171473. The next prime is 164171509. The reversal of 164171492 is 294171461.

It can be written as a sum of positive squares in only one way, i.e., 104325796 + 59845696 = 10214^2 + 7736^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20521433 + ... + 20521440.

It is an arithmetic number, because the mean of its divisors is an integer number (47883353).

Almost surely, 2^164171492 is an apocalyptic number.

It is an amenable number.

164171492 is a deficient number, since it is larger than the sum of its proper divisors (123128626).

164171492 is a wasteful number, since it uses less digits than its factorization.

164171492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41042877 (or 41042875 counting only the distinct ones).

The product of its digits is 12096, while the sum is 35.

The square root of 164171492 is about 12812.9423630952. The cubic root of 164171492 is about 547.5610929651.

The spelling of 164171492 in words is "one hundred sixty-four million, one hundred seventy-one thousand, four hundred ninety-two".