10661765834 has 8 divisors (see below), whose sum is σ = 16012083360. Its totient is φ = 5324404716.

The previous prime is 10661765833. The next prime is 10661765839. The reversal of 10661765834 is 43856716601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10661765834² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10661765833) 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, 3237044 + ... + 3240335.

It is an arithmetic number, because the mean of its divisors is an integer number (2001510420).

Almost surely, 2^10661765834 is an apocalyptic number.

10661765834 is a deficient number, since it is larger than the sum of its proper divisors (5350317526).

10661765834 is an equidigital number, since it uses as much as digits as its factorization.

10661765834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6478204.

The product of its (nonzero) digits is 725760, while the sum is 47.

The spelling of 10661765834 in words is "ten billion, six hundred sixty-one million, seven hundred sixty-five thousand, eight hundred thirty-four".