6550655150556 has 192 divisors, whose sum is σ = 19170898790400. Its totient is φ = 1916104377600.

The previous prime is 6550655150531. The next prime is 6550655150581. The reversal of 6550655150556 is 6550515560556.

6550655150556 is a `hidden beast` number, since 65 + 5 + 0 + 65 + 515 + 0 + 5 + 5 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (6550655150531) and next prime (6550655150581).

It is a super-2 number, since 2×6550655150556² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 146777661 + ... + 146822283.

It is an arithmetic number, because the mean of its divisors is an integer number (99848431200).

Almost surely, 2^{6550655150556} is an apocalyptic number.

6550655150556 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6550655150556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9585449395200).

6550655150556 is an abundant number, since it is smaller than the sum of its proper divisors (12620243639844).

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

6550655150556 is a wasteful number, since it uses less digits than its factorization.

6550655150556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48937 (or 48929 counting only the distinct ones).

The product of its (nonzero) digits is 16875000, while the sum is 54.

The spelling of 6550655150556 in words is "six trillion, five hundred fifty billion, six hundred fifty-five million, one hundred fifty thousand, five hundred fifty-six".