11662381464 has 32 divisors (see below), whose sum is σ = 29368779120. Its totient is φ = 3859083776.

The previous prime is 11662381453. The next prime is 11662381477. The reversal of 11662381464 is 46418326611.

It is a super-2 number, since 2×11662381464² (a number of 21 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

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, 1770189 + ... + 1776764.

Almost surely, 2^11662381464 is an apocalyptic number.

It is an amenable number.

11662381464 is an abundant number, since it is smaller than the sum of its proper divisors (17706397656).

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

11662381464 is a wasteful number, since it uses less digits than its factorization.

11662381464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547099 (or 3547095 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The spelling of 11662381464 in words is "eleven billion, six hundred sixty-two million, three hundred eighty-one thousand, four hundred sixty-four".