66737000340707 has 32 divisors (see below), whose sum is σ = 70446753336960. Its totient is φ = 63138360314880.

The previous prime is 66737000340629. The next prime is 66737000340779. The reversal of 66737000340707 is 70704300073766.

It is a happy number.

It is not a de Polignac number, because 66737000340707 - 2¹⁶ = 66737000275171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66737000340797) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 882108293 + ... + 882183945.

It is an arithmetic number, because the mean of its divisors is an integer number (2201461041780).

Almost surely, 2^{66737000340707} is an apocalyptic number.

66737000340707 is a deficient number, since it is larger than the sum of its proper divisors (3709752996253).

66737000340707 is a wasteful number, since it uses less digits than its factorization.

66737000340707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77663.

The product of its (nonzero) digits is 3111696, while the sum is 50.

The spelling of 66737000340707 in words is "sixty-six trillion, seven hundred thirty-seven billion, three hundred forty thousand, seven hundred seven".