164240605140412 has 6 divisors (see below), whose sum is σ = 287421058995728. Its totient is φ = 82120302570204.

The previous prime is 164240605140299. The next prime is 164240605140427. The reversal of 164240605140412 is 214041506042461.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20530075642548 + ... + 20530075642555.

Almost surely, 2^{164240605140412} is an apocalyptic number.

It is an amenable number.

164240605140412 is a deficient number, since it is larger than the sum of its proper divisors (123180453855316).

164240605140412 is a wasteful number, since it uses less digits than its factorization.

164240605140412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41060151285107 (or 41060151285105 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 164240605140412 in words is "one hundred sixty-four trillion, two hundred forty billion, six hundred five million, one hundred forty thousand, four hundred twelve".