10664849380 has 12 divisors (see below), whose sum is σ = 22396183740. Its totient is φ = 4265939744.

The previous prime is 10664849353. The next prime is 10664849387. The reversal of 10664849380 is 8394846601.

It can be written as a sum of positive squares in 2 ways, for example, as 7380871744 + 3283977636 = 85912^2 + 57306^2 .

It is a super-2 number, since 2×10664849380² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10664849387) 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, 266621215 + ... + 266621254.

It is an arithmetic number, because the mean of its divisors is an integer number (1866348645).

Almost surely, 2^10664849380 is an apocalyptic number.

10664849380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10664849380 is an abundant number, since it is smaller than the sum of its proper divisors (11731334360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10664849380 is a wasteful number, since it uses less digits than its factorization.

10664849380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533242478 (or 533242476 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

The spelling of 10664849380 in words is "ten billion, six hundred sixty-four million, eight hundred forty-nine thousand, three hundred eighty".