11662670720 has 64 divisors (see below), whose sum is σ = 29093329440. Its totient is φ = 4462233600.

The previous prime is 11662670717. The next prime is 11662670737. The reversal of 11662670720 is 2707626611.

It is a tau number, because it is divible by the number of its divisors (64).

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, 381431 + ... + 410870.

Almost surely, 2^11662670720 is an apocalyptic number.

11662670720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11662670720 is an abundant number, since it is smaller than the sum of its proper divisors (17430658720).

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

11662670720 is an equidigital number, since it uses as much as digits as its factorization.

11662670720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 792343 (or 792331 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The spelling of 11662670720 in words is "eleven billion, six hundred sixty-two million, six hundred seventy thousand, seven hundred twenty".