66737040034 has 48 divisors (see below), whose sum is σ = 118102707072. Its totient is φ = 27703210752.

The previous prime is 66737039977. The next prime is 66737040037. The reversal of 66737040034 is 43004073766.

It is not an unprimeable number, because it can be changed into a prime (66737040037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2988699 + ... + 3010945.

It is an arithmetic number, because the mean of its divisors is an integer number (2460473064).

Almost surely, 2^66737040034 is an apocalyptic number.

66737040034 is a deficient number, since it is larger than the sum of its proper divisors (51365667038).

66737040034 is a wasteful number, since it uses less digits than its factorization.

66737040034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22447 (or 22400 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 40.

The spelling of 66737040034 in words is "sixty-six billion, seven hundred thirty-seven million, forty thousand, thirty-four".