164026384087 has 4 divisors (see below), whose sum is σ = 164466133480. Its totient is φ = 163586634696.

The previous prime is 164026384069. The next prime is 164026384099. The reversal of 164026384087 is 780483620461.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-164026384087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164026384087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164026384007) 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, 219874137 + ... + 219874882.

It is an arithmetic number, because the mean of its divisors is an integer number (41116533370).

Almost surely, 2^164026384087 is an apocalyptic number.

164026384087 is a deficient number, since it is larger than the sum of its proper divisors (439749393).

164026384087 is an equidigital number, since it uses as much as digits as its factorization.

164026384087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 439749392.

The product of its (nonzero) digits is 1548288, while the sum is 49.

The spelling of 164026384087 in words is "one hundred sixty-four billion, twenty-six million, three hundred eighty-four thousand, eighty-seven".