164542210054 has 4 divisors (see below), whose sum is σ = 246813315084. Its totient is φ = 82271105026.

The previous prime is 164542210033. The next prime is 164542210103. The reversal of 164542210054 is 450012245461.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41135552512 + ... + 41135552515.

It is an arithmetic number, because the mean of its divisors is an integer number (61703328771).

Almost surely, 2^164542210054 is an apocalyptic number.

164542210054 is a deficient number, since it is larger than the sum of its proper divisors (82271105030).

164542210054 is an equidigital number, since it uses as much as digits as its factorization.

164542210054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82271105029.

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 164542210054 in words is "one hundred sixty-four billion, five hundred forty-two million, two hundred ten thousand, fifty-four".