66482433428397 has 16 divisors (see below), whose sum is σ = 107265774943872. Its totient is φ = 35755258314240.

The previous prime is 66482433428353. The next prime is 66482433428447. The reversal of 66482433428397 is 79382433428466.

It is not a de Polignac number, because 66482433428397 - 2¹⁰ = 66482433427373 is a prime.

It is a super-2 number, since 2×66482433428397² (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 (66482433428597) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93112651504 + ... + 93112652217.

It is an arithmetic number, because the mean of its divisors is an integer number (6704110933992).

Almost surely, 2^{66482433428397} is an apocalyptic number.

It is an amenable number.

66482433428397 is a deficient number, since it is larger than the sum of its proper divisors (40783341515475).

66482433428397 is a wasteful number, since it uses less digits than its factorization.

66482433428397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186225303748.

The product of its digits is 1003290624, while the sum is 69.

Adding to 66482433428397 its sum of digits (69), we get a palindrome (66482433428466).

The spelling of 66482433428397 in words is "sixty-six trillion, four hundred eighty-two billion, four hundred thirty-three million, four hundred twenty-eight thousand, three hundred ninety-seven".