10668814957 has 4 divisors (see below), whose sum is σ = 10768523616. Its totient is φ = 10569106300.

The previous prime is 10668814943. The next prime is 10668814969. The reversal of 10668814957 is 75941886601.

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 a de Polignac number, because none of the positive numbers 2^k-10668814957 is a prime.

It is a super-2 number, since 2×10668814957² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10668814898 and 10668814907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10668814907) 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, 49854169 + ... + 49854382.

It is an arithmetic number, because the mean of its divisors is an integer number (2692130904).

Almost surely, 2^10668814957 is an apocalyptic number.

It is an amenable number.

10668814957 is a deficient number, since it is larger than the sum of its proper divisors (99708659).

10668814957 is an equidigital number, since it uses as much as digits as its factorization.

10668814957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99708658.

The product of its (nonzero) digits is 2903040, while the sum is 55.

The spelling of 10668814957 in words is "ten billion, six hundred sixty-eight million, eight hundred fourteen thousand, nine hundred fifty-seven".