6615651234048 has 576 divisors, whose sum is σ = 20033932746240. Its totient is φ = 1926332153856.

The previous prime is 6615651234029. The next prime is 6615651234053. The reversal of 6615651234048 is 8404321565166.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 6188634858 + ... + 6188635926.

It is an arithmetic number, because the mean of its divisors is an integer number (34781133240).

Almost surely, 2^{6615651234048} is an apocalyptic number.

6615651234048 is a gapful number since it is divisible by the number (68) 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 6615651234048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10016966373120).

6615651234048 is an abundant number, since it is smaller than the sum of its proper divisors (13418281512192).

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

6615651234048 is a wasteful number, since it uses less digits than its factorization.

6615651234048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1722 (or 1708 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 51.

The spelling of 6615651234048 in words is "six trillion, six hundred fifteen billion, six hundred fifty-one million, two hundred thirty-four thousand, forty-eight".