164250353156465 has 16 divisors (see below), whose sum is σ = 205670441229696. Its totient is φ = 125686961664000.

The previous prime is 164250353156423. The next prime is 164250353156497. The reversal of 164250353156465 is 564651353052461.

It is a de Polignac number, because none of the positive numbers 2^k-164250353156465 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 164250353156465.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66575345 + ... + 68998385.

It is an arithmetic number, because the mean of its divisors is an integer number (12854402576856).

Almost surely, 2^{164250353156465} is an apocalyptic number.

It is an amenable number.

164250353156465 is a deficient number, since it is larger than the sum of its proper divisors (41420088073231).

164250353156465 is a wasteful number, since it uses less digits than its factorization.

164250353156465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3012520.

The product of its (nonzero) digits is 38880000, while the sum is 56.

The spelling of 164250353156465 in words is "one hundred sixty-four trillion, two hundred fifty billion, three hundred fifty-three million, one hundred fifty-six thousand, four hundred sixty-five".