164231688497 has 4 divisors (see below), whose sum is σ = 164340380736. Its totient is φ = 164122996260.

The previous prime is 164231688457. The next prime is 164231688541. The reversal of 164231688497 is 794886132461.

164231688497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 an emirpimes, since its reverse is a distinct semiprime: 794886132461 = 5689 ⋅139723349.

It is a cyclic number.

It is not a de Polignac number, because 164231688497 - 2¹⁴ = 164231672113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164231688457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54343853 + ... + 54346874.

It is an arithmetic number, because the mean of its divisors is an integer number (41085095184).

Almost surely, 2^164231688497 is an apocalyptic number.

It is an amenable number.

164231688497 is a deficient number, since it is larger than the sum of its proper divisors (108692239).

164231688497 is a wasteful number, since it uses less digits than its factorization.

164231688497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108692238.

The product of its digits is 13934592, while the sum is 59.

The spelling of 164231688497 in words is "one hundred sixty-four billion, two hundred thirty-one million, six hundred eighty-eight thousand, four hundred ninety-seven".