11161662064 has 20 divisors (see below), whose sum is σ = 24715109104. Its totient is φ = 4783569408.

The previous prime is 11161662007. The next prime is 11161662077. The reversal of 11161662064 is 46026616111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49828737 + ... + 49828960.

Almost surely, 2^11161662064 is an apocalyptic number.

11161662064 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11161662064 is an abundant number, since it is smaller than the sum of its proper divisors (13553447040).

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

11161662064 is an equidigital number, since it uses as much as digits as its factorization.

11161662064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99657712 (or 99657706 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The spelling of 11161662064 in words is "eleven billion, one hundred sixty-one million, six hundred sixty-two thousand, sixty-four".