66737737370 has 16 divisors (see below), whose sum is σ = 120259807488. Its totient is φ = 26665788240.

The previous prime is 66737737333. The next prime is 66737737379. The reversal of 66737737370 is 7373773766.

66737737370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (66737737379) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3653774 + ... + 3671993.

It is an arithmetic number, because the mean of its divisors is an integer number (7516237968).

Almost surely, 2^66737737370 is an apocalyptic number.

66737737370 is a deficient number, since it is larger than the sum of its proper divisors (53522070118).

66737737370 is a wasteful number, since it uses less digits than its factorization.

66737737370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7326685.

The product of its (nonzero) digits is 16336404, while the sum is 56.

The spelling of 66737737370 in words is "sixty-six billion, seven hundred thirty-seven million, seven hundred thirty-seven thousand, three hundred seventy".