10661682673 has 4 divisors (see below), whose sum is σ = 10664894448. Its totient is φ = 10658470900.

The previous prime is 10661682671. The next prime is 10661682679. The reversal of 10661682673 is 37628616601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10661682673 - 2¹ = 10661682671 is a prime.

It is a super-2 number, since 2×10661682673² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10661682671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600903 + ... + 1607548.

It is an arithmetic number, because the mean of its divisors is an integer number (2666223612).

Almost surely, 2^10661682673 is an apocalyptic number.

It is an amenable number.

10661682673 is a deficient number, since it is larger than the sum of its proper divisors (3211775).

10661682673 is an equidigital number, since it uses as much as digits as its factorization.

10661682673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3211774.

The product of its (nonzero) digits is 435456, while the sum is 46.

The spelling of 10661682673 in words is "ten billion, six hundred sixty-one million, six hundred eighty-two thousand, six hundred seventy-three".