11660626055646 has 240 divisors, whose sum is σ = 27466302379824. Its totient is φ = 3694150789632.

The previous prime is 11660626055629. The next prime is 11660626055671. The reversal of 11660626055646 is 64655062606611.

11660626055646 is a `hidden beast` number, since 1 + 1 + 6 + 6 + 0 + 626 + 0 + 5 + 5 + 6 + 4 + 6 = 666.

It is a super-2 number, since 2×11660626055646² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 11660626055592 and 11660626055601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 5198673001 + ... + 5198675243.

Almost surely, 2^{11660626055646} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11660626055646, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13733151189912).

11660626055646 is an abundant number, since it is smaller than the sum of its proper divisors (15805676324178).

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

11660626055646 is a wasteful number, since it uses less digits than its factorization.

11660626055646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2585 (or 2467 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 11660626055646 in words is "eleven trillion, six hundred sixty billion, six hundred twenty-six million, fifty-five thousand, six hundred forty-six".