164255247766 has 8 divisors (see below), whose sum is σ = 260875981800. Its totient is φ = 77296587168.

The previous prime is 164255247721. The next prime is 164255247773. The reversal of 164255247766 is 667742552461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2415518316 + ... + 2415518383.

It is an arithmetic number, because the mean of its divisors is an integer number (32609497725).

Almost surely, 2^164255247766 is an apocalyptic number.

164255247766 is a deficient number, since it is larger than the sum of its proper divisors (96620734034).

164255247766 is a wasteful number, since it uses less digits than its factorization.

164255247766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4831036718.

The product of its digits is 16934400, while the sum is 55.

The spelling of 164255247766 in words is "one hundred sixty-four billion, two hundred fifty-five million, two hundred forty-seven thousand, seven hundred sixty-six".