11660343536 has 40 divisors (see below), whose sum is σ = 22892284800. Its totient is φ = 5753159360.

The previous prime is 11660343449. The next prime is 11660343547. The reversal of 11660343536 is 63534306611.

It is a super-2 number, since 2×11660343536² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11660343536.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359645 + ... + 390723.

It is an arithmetic number, because the mean of its divisors is an integer number (572307120).

Almost surely, 2^11660343536 is an apocalyptic number.

11660343536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11660343536 is a deficient number, since it is larger than the sum of its proper divisors (11231941264).

11660343536 is a wasteful number, since it uses less digits than its factorization.

11660343536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31397 (or 31391 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 38.

The spelling of 11660343536 in words is "eleven billion, six hundred sixty million, three hundred forty-three thousand, five hundred thirty-six".