164240245415566 has 16 divisors (see below), whose sum is σ = 262513633183056. Its totient is φ = 76797237269376.

The previous prime is 164240245415531. The next prime is 164240245415579. The reversal of 164240245415566 is 665514542042461.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15384056616 + ... + 15384067291.

It is an arithmetic number, because the mean of its divisors is an integer number (16407102073941).

Almost surely, 2^{164240245415566} is an apocalyptic number.

164240245415566 is a deficient number, since it is larger than the sum of its proper divisors (98273387767490).

164240245415566 is a wasteful number, since it uses less digits than its factorization.

164240245415566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30768124083.

The product of its (nonzero) digits is 27648000, while the sum is 55.

The spelling of 164240245415566 in words is "one hundred sixty-four trillion, two hundred forty billion, two hundred forty-five million, four hundred fifteen thousand, five hundred sixty-six".