165214664064436 has 12 divisors (see below), whose sum is σ = 330429328128928. Its totient is φ = 70806284599032.

The previous prime is 165214664064421. The next prime is 165214664064473. The reversal of 165214664064436 is 634460466412561.

165214664064436 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

165214664064436 is an admirable number.

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, 2950261858266 + ... + 2950261858321.

Almost surely, 2^{165214664064436} is an apocalyptic number.

It is an amenable number.

165214664064436 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165214664064436 is a wasteful number, since it uses less digits than its factorization.

165214664064436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5900523716598 (or 5900523716596 counting only the distinct ones).

The product of its (nonzero) digits is 59719680, while the sum is 58.

The spelling of 165214664064436 in words is "one hundred sixty-five trillion, two hundred fourteen billion, six hundred sixty-four million, sixty-four thousand, four hundred thirty-six".