10661532430 has 16 divisors (see below), whose sum is σ = 19370113200. Its totient is φ = 4224756352.

The previous prime is 10661532419. The next prime is 10661532437. The reversal of 10661532430 is 3423516601.

It is a super-2 number, since 2×10661532430² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10661532392 and 10661532401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10661532437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4980955 + ... + 4983094.

It is an arithmetic number, because the mean of its divisors is an integer number (1210632075).

Almost surely, 2^10661532430 is an apocalyptic number.

10661532430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10661532430 is a deficient number, since it is larger than the sum of its proper divisors (8708580770).

10661532430 is a wasteful number, since it uses less digits than its factorization.

10661532430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9964163.

The product of its (nonzero) digits is 12960, while the sum is 31.

The spelling of 10661532430 in words is "ten billion, six hundred sixty-one million, five hundred thirty-two thousand, four hundred thirty".