11667890056734 has 48 divisors (see below), whose sum is σ = 25493694471648. Its totient is φ = 3856588272576.

The previous prime is 11667890056631. The next prime is 11667890056741. The reversal of 11667890056734 is 43765009876611.

11667890056734 is a `hidden beast` number, since 1 + 1 + 6 + 67 + 8 + 9 + 0 + 0 + 567 + 3 + 4 = 666.

It is a super-2 number, since 2×11667890056734² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2862717 + ... + 5615240.

It is an arithmetic number, because the mean of its divisors is an integer number (531118634826).

Almost surely, 2^{11667890056734} is an apocalyptic number.

11667890056734 is an abundant number, since it is smaller than the sum of its proper divisors (13825804414914).

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

11667890056734 is a wasteful number, since it uses less digits than its factorization.

11667890056734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8478609 (or 8478606 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 11667890056734 in words is "eleven trillion, six hundred sixty-seven billion, eight hundred ninety million, fifty-six thousand, seven hundred thirty-four".