6616153553450 has 96 divisors (see below), whose sum is σ = 14695956541440. Its totient is φ = 2166749956800.

The previous prime is 6616153553441. The next prime is 6616153553459. The reversal of 6616153553450 is 543553516166.

It is an interprime number because it is at equal distance from previous prime (6616153553441) and next prime (6616153553459).

It is a Harshad number since it is a multiple of its sum of digits (50).

It is not an unprimeable number, because it can be changed into a prime (6616153553459) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5216405 + ... + 6359495.

It is an arithmetic number, because the mean of its divisors is an integer number (153082880640).

Almost surely, 2^{6616153553450} is an apocalyptic number.

6616153553450 is an abundant number, since it is smaller than the sum of its proper divisors (8079802987990).

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

6616153553450 is a wasteful number, since it uses less digits than its factorization.

6616153553450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1143852 (or 1143847 counting only the distinct ones).

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 6616153553450 in words is "six trillion, six hundred sixteen billion, one hundred fifty-three million, five hundred fifty-three thousand, four hundred fifty".