65164909522356 has 72 divisors (see below), whose sum is σ = 198162297977280. Its totient is φ = 17638622125056.

The previous prime is 65164909522291. The next prime is 65164909522393. The reversal of 65164909522356 is 65322590946156.

It is a happy number.

65164909522356 is a `hidden beast` number, since 6 + 5 + 1 + 6 + 490 + 95 + 2 + 2 + 3 + 56 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 65164909522293 and 65164909522302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6805019181 + ... + 6805028756.

Almost surely, 2^{65164909522356} is an apocalyptic number.

It is an amenable number.

65164909522356 is an abundant number, since it is smaller than the sum of its proper divisors (132997388454924).

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

65164909522356 is a wasteful number, since it uses less digits than its factorization.

65164909522356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13610047973 (or 13610047968 counting only the distinct ones).

The product of its (nonzero) digits is 104976000, while the sum is 63.

The spelling of 65164909522356 in words is "sixty-five trillion, one hundred sixty-four billion, nine hundred nine million, five hundred twenty-two thousand, three hundred fifty-six".