11621730416 has 10 divisors (see below), whose sum is σ = 22517102712. Its totient is φ = 5810865200.

The previous prime is 11621730403. The next prime is 11621730427. The reversal of 11621730416 is 61403712611.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 363179060 + ... + 363179091.

Almost surely, 2^11621730416 is an apocalyptic number.

11621730416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11621730416 is a deficient number, since it is larger than the sum of its proper divisors (10895372296).

11621730416 is an equidigital number, since it uses as much as digits as its factorization.

11621730416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726358159 (or 726358153 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The spelling of 11621730416 in words is "eleven billion, six hundred twenty-one million, seven hundred thirty thousand, four hundred sixteen".