164036662263643 has 4 divisors (see below), whose sum is σ = 176654867053168. Its totient is φ = 151418457474120.

The previous prime is 164036662263637. The next prime is 164036662263671. The reversal of 164036662263643 is 346362266630461.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 164036662263643 - 2¹³ = 164036662255451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164036662263613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6309102394743 + ... + 6309102394768.

It is an arithmetic number, because the mean of its divisors is an integer number (44163716763292).

Almost surely, 2^{164036662263643} is an apocalyptic number.

164036662263643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

164036662263643 is a deficient number, since it is larger than the sum of its proper divisors (12618204789525).

164036662263643 is a wasteful number, since it uses less digits than its factorization.

164036662263643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12618204789524.

The product of its (nonzero) digits is 80621568, while the sum is 58.

The spelling of 164036662263643 in words is "one hundred sixty-four trillion, thirty-six billion, six hundred sixty-two million, two hundred sixty-three thousand, six hundred forty-three".