164076262085 has 4 divisors (see below), whose sum is σ = 196891514508. Its totient is φ = 131261009664.

The previous prime is 164076262043. The next prime is 164076262111. The reversal of 164076262085 is 580262670461.

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

It can be written as a sum of positive squares in 2 ways, for example, as 20703468769 + 143372793316 = 143887^2 + 378646^2 .

It is a cyclic number.

It is not a de Polignac number, because 164076262085 - 2⁸ = 164076261829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16407626204 + ... + 16407626213.

It is an arithmetic number, because the mean of its divisors is an integer number (49222878627).

Almost surely, 2^164076262085 is an apocalyptic number.

It is an amenable number.

164076262085 is a deficient number, since it is larger than the sum of its proper divisors (32815252423).

164076262085 is an equidigital number, since it uses as much as digits as its factorization.

164076262085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32815252422.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 164076262085 in words is "one hundred sixty-four billion, seventy-six million, two hundred sixty-two thousand, eighty-five".