164568872038 has 4 divisors (see below), whose sum is σ = 246853308060. Its totient is φ = 82284436018.

The previous prime is 164568872033. The next prime is 164568872047. The reversal of 164568872038 is 830278865461.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 830278865461 = 23 ⋅36099081107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164568872033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41142218008 + ... + 41142218011.

It is an arithmetic number, because the mean of its divisors is an integer number (61713327015).

Almost surely, 2^164568872038 is an apocalyptic number.

164568872038 is a deficient number, since it is larger than the sum of its proper divisors (82284436022).

164568872038 is an equidigital number, since it uses as much as digits as its factorization.

164568872038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82284436021.

The product of its (nonzero) digits is 15482880, while the sum is 58.

The spelling of 164568872038 in words is "one hundred sixty-four billion, five hundred sixty-eight million, eight hundred seventy-two thousand, thirty-eight".