15550002165616 has 10 divisors (see below), whose sum is σ = 30128129195912. Its totient is φ = 7775001082800.

The previous prime is 15550002165547. The next prime is 15550002165661. The reversal of 15550002165616 is 61656120005551.

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, 485937567660 + ... + 485937567691.

Almost surely, 2^{15550002165616} is an apocalyptic number.

15550002165616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

15550002165616 is a deficient number, since it is larger than the sum of its proper divisors (14578127030296).

15550002165616 is an equidigital number, since it uses as much as digits as its factorization.

15550002165616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971875135359 (or 971875135353 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 15550002165616 in words is "fifteen trillion, five hundred fifty billion, two million, one hundred sixty-five thousand, six hundred sixteen".