10633815661 has 4 divisors (see below), whose sum is σ = 12152932192. Its totient is φ = 9114699132.

The previous prime is 10633815631. The next prime is 10633815683. The reversal of 10633815661 is 16651833601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10633815661 - 2¹³ = 10633807469 is a prime.

It is a super-2 number, since 2×10633815661² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10633815631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759558255 + ... + 759558268.

It is an arithmetic number, because the mean of its divisors is an integer number (3038233048).

Almost surely, 2^10633815661 is an apocalyptic number.

It is an amenable number.

10633815661 is a deficient number, since it is larger than the sum of its proper divisors (1519116531).

10633815661 is an equidigital number, since it uses as much as digits as its factorization.

10633815661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519116530.

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 10633815661 in words is "ten billion, six hundred thirty-three million, eight hundred fifteen thousand, six hundred sixty-one".