164042654201 has 4 divisors (see below), whose sum is σ = 164043621504. Its totient is φ = 164041686900.

The previous prime is 164042654197. The next prime is 164042654273. The reversal of 164042654201 is 102456240461.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 102456240461 = 29 ⋅3532973809.

It is a cyclic number.

It is not a de Polignac number, because 164042654201 - 2² = 164042654197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164042054201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154685 + ... + 593306.

It is an arithmetic number, because the mean of its divisors is an integer number (41010905376).

Almost surely, 2^164042654201 is an apocalyptic number.

It is an amenable number.

164042654201 is a deficient number, since it is larger than the sum of its proper divisors (967303).

164042654201 is an equidigital number, since it uses as much as digits as its factorization.

164042654201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967302.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 164042654201 its reverse (102456240461), we get a palindrome (266498894662).

The spelling of 164042654201 in words is "one hundred sixty-four billion, forty-two million, six hundred fifty-four thousand, two hundred one".