11451670668 has 36 divisors (see below), whose sum is σ = 28958195448. Its totient is φ = 3815784000.

The previous prime is 11451670663. The next prime is 11451670687. The reversal of 11451670668 is 86607615411.

11451670668 is a `hidden beast` number, since 1 + 1 + 4 + 516 + 70 + 6 + 68 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×11451670668² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11451670663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39043 + ... + 156293.

It is an arithmetic number, because the mean of its divisors is an integer number (804394318).

Almost surely, 2^11451670668 is an apocalyptic number.

11451670668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

11451670668 is an abundant number, since it is smaller than the sum of its proper divisors (17506524780).

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

11451670668 is a wasteful number, since it uses less digits than its factorization.

11451670668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119974 (or 119969 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 11451670668 in words is "eleven billion, four hundred fifty-one million, six hundred seventy thousand, six hundred sixty-eight".