6556155116016 has 40 divisors (see below), whose sum is σ = 18476437146624. Its totient is φ = 1986713671360.

The previous prime is 6556155116009. The next prime is 6556155116023. The reversal of 6556155116016 is 6106115516556.

It is an interprime number because it is at equal distance from previous prime (6556155116009) and next prime (6556155116023).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 6208479696 + ... + 6208480751.

Almost surely, 2^{6556155116016} is an apocalyptic number.

6556155116016 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6556155116016 is an abundant number, since it is smaller than the sum of its proper divisors (11920282030608).

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

6556155116016 is a wasteful number, since it uses less digits than its factorization.

6556155116016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12416960469 (or 12416960463 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 48.

The spelling of 6556155116016 in words is "six trillion, five hundred fifty-six billion, one hundred fifty-five million, one hundred sixteen thousand, sixteen".