66734000040370 has 32 divisors (see below), whose sum is σ = 132516445869360. Its totient is φ = 24039264552960.

The previous prime is 66734000040361. The next prime is 66734000040437. The reversal of 66734000040370 is 7304000043766.

It can be written as a sum of positive squares in 8 ways, for example, as 9729552123729 + 57004447916641 = 3119223^2 + 7550129^2 .

It is a super-2 number, since 2×66734000040370² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6260219815 + ... + 6260230474.

Almost surely, 2^{66734000040370} is an apocalyptic number.

66734000040370 is a deficient number, since it is larger than the sum of its proper divisors (65782445828990).

66734000040370 is a wasteful number, since it uses less digits than its factorization.

66734000040370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12520450350.

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

The spelling of 66734000040370 in words is "sixty-six trillion, seven hundred thirty-four billion, forty thousand, three hundred seventy".