14121000665 has 16 divisors (see below), whose sum is σ = 17000491008. Its totient is φ = 11259997056.

The previous prime is 14121000661. The next prime is 14121000667. The reversal of 14121000665 is 56600012141.

It is a cyclic number.

It is not a de Polignac number, because 14121000665 - 2² = 14121000661 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14121000661) 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, 2563304 + ... + 2568806.

It is an arithmetic number, because the mean of its divisors is an integer number (1062530688).

Almost surely, 2^14121000665 is an apocalyptic number.

It is an amenable number.

14121000665 is a deficient number, since it is larger than the sum of its proper divisors (2879490343).

14121000665 is a wasteful number, since it uses less digits than its factorization.

With its successor (14121000666) it forms a Ruth-Aaron pair, since the sum of their prime factors is the same (7088).

14121000665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7088.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 14121000665 in words is "fourteen billion, one hundred twenty-one million, six hundred sixty-five", and thus it is an aban number.