1834666680681 has 32 divisors (see below), whose sum is σ = 2805841510400. Its totient is φ = 1183597459920.

The previous prime is 1834666680643. The next prime is 1834666680683. The reversal of 1834666680681 is 1860866664381.

It is not a de Polignac number, because 1834666680681 - 2¹⁸ = 1834666418537 is a prime.

It is a super-2 number, since 2×1834666680681² (a number of 25 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1834666680683) 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, 22524030 + ... + 22605336.

It is an arithmetic number, because the mean of its divisors is an integer number (87682547200).

Almost surely, 2^{1834666680681} is an apocalyptic number.

It is an amenable number.

1834666680681 is a deficient number, since it is larger than the sum of its proper divisors (971174829719).

1834666680681 is a wasteful number, since it uses less digits than its factorization.

1834666680681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108306 (or 108300 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 63.

The spelling of 1834666680681 in words is "one trillion, eight hundred thirty-four billion, six hundred sixty-six million, six hundred eighty thousand, six hundred eighty-one".