164077842063 has 4 divisors (see below), whose sum is σ = 218770456088. Its totient is φ = 109385228040.

The previous prime is 164077842053. The next prime is 164077842167. The reversal of 164077842063 is 360248770461.

It is a happy number.

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

It is not a de Polignac number, because 164077842063 - 2²⁴ = 164061064847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164077842023) 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, 27346307008 + ... + 27346307013.

It is an arithmetic number, because the mean of its divisors is an integer number (54692614022).

Almost surely, 2^164077842063 is an apocalyptic number.

164077842063 is a deficient number, since it is larger than the sum of its proper divisors (54692614025).

164077842063 is an equidigital number, since it uses as much as digits as its factorization.

164077842063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54692614024.

The product of its (nonzero) digits is 1354752, while the sum is 48.

The spelling of 164077842063 in words is "one hundred sixty-four billion, seventy-seven million, eight hundred forty-two thousand, sixty-three".