66162044334454 has 8 divisors (see below), whose sum is σ = 100870002018288. Its totient is φ = 32538710328360.

The previous prime is 66162044334439. The next prime is 66162044334457. The reversal of 66162044334454 is 45443344026166.

It is a happy number.

66162044334454 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 super-2 number, since 2×66162044334454² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66162044334457) 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, 271155919282 + ... + 271155919525.

It is an arithmetic number, because the mean of its divisors is an integer number (12608750252286).

Almost surely, 2^{66162044334454} is an apocalyptic number.

66162044334454 is a deficient number, since it is larger than the sum of its proper divisors (34707957683834).

66162044334454 is a wasteful number, since it uses less digits than its factorization.

66162044334454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542311838870.

The product of its (nonzero) digits is 19906560, while the sum is 52.

The spelling of 66162044334454 in words is "sixty-six trillion, one hundred sixty-two billion, forty-four million, three hundred thirty-four thousand, four hundred fifty-four".