10666495249 has 16 divisors (see below), whose sum is σ = 12191368320. Its totient is φ = 9271440640.

The previous prime is 10666495237. The next prime is 10666495271. The reversal of 10666495249 is 94259466601.

It is a cyclic number.

It is not a de Polignac number, because 10666495249 - 2¹³ = 10666487057 is a prime.

It is a super-2 number, since 2×10666495249² (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 = 10666495196 and 10666495205.

It is not an unprimeable number, because it can be changed into a prime (10666495349) 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, 459007 + ... + 481684.

It is an arithmetic number, because the mean of its divisors is an integer number (761960520).

Almost surely, 2^10666495249 is an apocalyptic number.

It is an amenable number.

10666495249 is a deficient number, since it is larger than the sum of its proper divisors (1524873071).

10666495249 is a wasteful number, since it uses less digits than its factorization.

10666495249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940760.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 10666495249 in words is "ten billion, six hundred sixty-six million, four hundred ninety-five thousand, two hundred forty-nine".