10661839135734 has 16 divisors (see below), whose sum is σ = 21324564426240. Its totient is φ = 3553798686120.

The previous prime is 10661839135721. The next prime is 10661839135741. The reversal of 10661839135734 is 43753193816601.

It is a super-2 number, since 2×10661839135734² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36766654 + ... + 37055505.

It is an arithmetic number, because the mean of its divisors is an integer number (1332785276640).

Almost surely, 2^{10661839135734} is an apocalyptic number.

10661839135734 is an abundant number, since it is smaller than the sum of its proper divisors (10662725290506).

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

10661839135734 is a wasteful number, since it uses less digits than its factorization.

10661839135734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73846235.

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 10661839135734 in words is "ten trillion, six hundred sixty-one billion, eight hundred thirty-nine million, one hundred thirty-five thousand, seven hundred thirty-four".