66737000340370 has 16 divisors (see below), whose sum is σ = 120126707163288. Its totient is φ = 26694776458240.

The previous prime is 66737000340349. The next prime is 66737000340371. The reversal of 66737000340370 is 7304300073766.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 50937782459041 + 15799217881329 = 7137071^2 + 3974823^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 66737000340370.

It is not an unprimeable number, because it can be changed into a prime (66737000340371) 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, 12951090 + ... + 17355250.

Almost surely, 2^{66737000340370} is an apocalyptic number.

66737000340370 is a deficient number, since it is larger than the sum of its proper divisors (53389706822918).

66737000340370 is a wasteful number, since it uses less digits than its factorization.

66737000340370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919485.

The product of its (nonzero) digits is 1333584, while the sum is 46.

The spelling of 66737000340370 in words is "sixty-six trillion, seven hundred thirty-seven billion, three hundred forty thousand, three hundred seventy".