10661533435 has 24 divisors (see below), whose sum is σ = 14889205296. Its totient is φ = 7307536320.

The previous prime is 10661533433. The next prime is 10661533451. The reversal of 10661533435 is 53433516601.

It is a happy number.

It is not a de Polignac number, because 10661533435 - 2¹ = 10661533433 is a prime.

It is a super-2 number, since 2×10661533435² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10661533394 and 10661533403.

It is not an unprimeable number, because it can be changed into a prime (10661533433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 633844 + ... + 650446.

It is an arithmetic number, because the mean of its divisors is an integer number (620383554).

Almost surely, 2^10661533435 is an apocalyptic number.

10661533435 is a deficient number, since it is larger than the sum of its proper divisors (4227671861).

10661533435 is a wasteful number, since it uses less digits than its factorization.

10661533435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19243 (or 19236 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 37.

The spelling of 10661533435 in words is "ten billion, six hundred sixty-one million, five hundred thirty-three thousand, four hundred thirty-five".