37003666667081 has 2 divisors, whose sum is σ = 37003666667082. Its totient is φ = 37003666667080.

The previous prime is 37003666666963. The next prime is 37003666667131. The reversal of 37003666667081 is 18076666630073.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35187627431056 + 1816039236025 = 5931916^2 + 1347605^2 .

It is an emirp because it is prime and its reverse (18076666630073) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 37003666667081 - 2³⁸ = 36728788760137 is a prime.

It is a super-2 number, since 2×37003666667081² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 37003666667081.

It is not a weakly prime, because it can be changed into another prime (37003666667381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18501833333540 + 18501833333541.

It is an arithmetic number, because the mean of its divisors is an integer number (18501833333541).

Almost surely, 2^{37003666667081} is an apocalyptic number.

It is an amenable number.

37003666667081 is a deficient number, since it is larger than the sum of its proper divisors (1).

37003666667081 is an equidigital number, since it uses as much as digits as its factorization.

37003666667081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 59.

The spelling of 37003666667081 in words is "thirty-seven trillion, three billion, six hundred sixty-six million, six hundred sixty-seven thousand, eighty-one".