164466253811 has 4 divisors (see below), whose sum is σ = 164486098824. Its totient is φ = 164446408800.

The previous prime is 164466253807. The next prime is 164466253901. The reversal of 164466253811 is 118352664461.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 118352664461 = 2609 ⋅45363229.

It is a cyclic number.

It is not a de Polignac number, because 164466253811 - 2² = 164466253807 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164466258811) 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, 9910070 + ... + 9926651.

It is an arithmetic number, because the mean of its divisors is an integer number (41121524706).

Almost surely, 2^164466253811 is an apocalyptic number.

164466253811 is a deficient number, since it is larger than the sum of its proper divisors (19845013).

164466253811 is an equidigital number, since it uses as much as digits as its factorization.

164466253811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19845012.

The product of its digits is 829440, while the sum is 47.

The spelling of 164466253811 in words is "one hundred sixty-four billion, four hundred sixty-six million, two hundred fifty-three thousand, eight hundred eleven".