66737000740367 has 16 divisors (see below), whose sum is σ = 68201795400480. Its totient is φ = 65288476796928.

The previous prime is 66737000740349. The next prime is 66737000740387. The reversal of 66737000740367 is 76304700073766.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 66737000740367 - 2³⁴ = 66719820871183 is a prime.

It is a super-2 number, since 2×66737000740367² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66737000740327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29620928 + ... + 31794234.

It is an arithmetic number, because the mean of its divisors is an integer number (4262612212530).

Almost surely, 2^{66737000740367} is an apocalyptic number.

66737000740367 is a deficient number, since it is larger than the sum of its proper divisors (1464794660113).

66737000740367 is a wasteful number, since it uses less digits than its factorization.

66737000740367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2177050.

The product of its (nonzero) digits is 18670176, while the sum is 56.

The spelling of 66737000740367 in words is "sixty-six trillion, seven hundred thirty-seven billion, seven hundred forty thousand, three hundred sixty-seven".