66337254798 has 64 divisors (see below), whose sum is σ = 134969649408. Its totient is φ = 21734236160.

The previous prime is 66337254677. The next prime is 66337254799. The reversal of 66337254798 is 89745273366.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66337254799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39793561 + ... + 39795227.

It is an arithmetic number, because the mean of its divisors is an integer number (2108900772).

Almost surely, 2^66337254798 is an apocalyptic number.

66337254798 is an abundant number, since it is smaller than the sum of its proper divisors (68632394610).

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

66337254798 is a wasteful number, since it uses less digits than its factorization.

66337254798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2257.

The product of its digits is 45722880, while the sum is 60.

The spelling of 66337254798 in words is "sixty-six billion, three hundred thirty-seven million, two hundred fifty-four thousand, seven hundred ninety-eight".