6615450255414 has 288 divisors, whose sum is σ = 18533763940608. Its totient is φ = 1547419507200.

The previous prime is 6615450255397. The next prime is 6615450255461. The reversal of 6615450255414 is 4145520545166.

It is a happy number.

It is a super-2 number, since 2×6615450255414² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 70625799 + ... + 70719405.

It is an arithmetic number, because the mean of its divisors is an integer number (64353347016).

Almost surely, 2^{6615450255414} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6615450255414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9266881970304).

6615450255414 is an abundant number, since it is smaller than the sum of its proper divisors (11918313685194).

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

6615450255414 is a wasteful number, since it uses less digits than its factorization.

6615450255414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93732 (or 93684 counting only the distinct ones).

The product of its (nonzero) digits is 2880000, while the sum is 48.

The spelling of 6615450255414 in words is "six trillion, six hundred fifteen billion, four hundred fifty million, two hundred fifty-five thousand, four hundred fourteen".