66152520165422 has 8 divisors (see below), whose sum is σ = 99313518748872. Its totient is φ = 33048013915800.

The previous prime is 66152520165379. The next prime is 66152520165427. The reversal of 66152520165422 is 22456102525166.

66152520165422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66152520165427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 14123080529 + ... + 14123085212.

It is an arithmetic number, because the mean of its divisors is an integer number (12414189843609).

Almost surely, 2^{66152520165422} is an apocalyptic number.

66152520165422 is a deficient number, since it is larger than the sum of its proper divisors (33160998583450).

66152520165422 is a wasteful number, since it uses less digits than its factorization.

66152520165422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28246166914.

The product of its (nonzero) digits is 1728000, while the sum is 47.

The spelling of 66152520165422 in words is "sixty-six trillion, one hundred fifty-two billion, five hundred twenty million, one hundred sixty-five thousand, four hundred twenty-two".