11662455516 has 12 divisors (see below), whose sum is σ = 27212396232. Its totient is φ = 3887485168.

The previous prime is 11662455503. The next prime is 11662455517. The reversal of 11662455516 is 61555426611.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11662455517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485935635 + ... + 485935658.

It is an arithmetic number, because the mean of its divisors is an integer number (2267699686).

Almost surely, 2^11662455516 is an apocalyptic number.

It is an amenable number.

11662455516 is an abundant number, since it is smaller than the sum of its proper divisors (15549940716).

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

11662455516 is a wasteful number, since it uses less digits than its factorization.

11662455516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971871300 (or 971871298 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The spelling of 11662455516 in words is "eleven billion, six hundred sixty-two million, four hundred fifty-five thousand, five hundred sixteen".