11660436340 has 96 divisors (see below), whose sum is σ = 30006789120. Its totient is φ = 3715006464.

The previous prime is 11660436313. The next prime is 11660436341. The reversal of 11660436340 is 4363406611.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 11660436296 and 11660436305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11660436341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 157012 + ... + 219028.

It is an arithmetic number, because the mean of its divisors is an integer number (312570720).

Almost surely, 2^11660436340 is an apocalyptic number.

11660436340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11660436340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15003394560).

11660436340 is an abundant number, since it is smaller than the sum of its proper divisors (18346352780).

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

11660436340 is a wasteful number, since it uses less digits than its factorization.

11660436340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62129 (or 62127 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 11660436340 in words is "eleven billion, six hundred sixty million, four hundred thirty-six thousand, three hundred forty".