10661702249 has 16 divisors (see below), whose sum is σ = 12013269504. Its totient is φ = 9374227200.

The previous prime is 10661702243. The next prime is 10661702251. The reversal of 10661702249 is 94220716601.

It is a cyclic number.

It is not a de Polignac number, because 10661702249 - 2⁸ = 10661701993 is a prime.

It is a super-2 number, since 2×10661702249² (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 (10661702243) 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, 630347 + ... + 647039.

It is an arithmetic number, because the mean of its divisors is an integer number (750829344).

Almost surely, 2^10661702249 is an apocalyptic number.

It is an amenable number.

10661702249 is a deficient number, since it is larger than the sum of its proper divisors (1351567255).

10661702249 is a wasteful number, since it uses less digits than its factorization.

10661702249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18608.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 10661702249 in words is "ten billion, six hundred sixty-one million, seven hundred two thousand, two hundred forty-nine".