6615342090 has 192 divisors, whose sum is σ = 21585118464. Its totient is φ = 1423070208.

The previous prime is 6615342067. The next prime is 6615342101. The reversal of 6615342090 is 902435166.

It is a happy number.

6615342090 is a `hidden beast` number, since 6 + 615 + 34 + 2 + 0 + 9 + 0 = 666.

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 95 ways as a sum of consecutive naturals, for example, 277732 + ... + 300608.

It is an arithmetic number, because the mean of its divisors is an integer number (112422492).

Almost surely, 2^6615342090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6615342090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10792559232).

6615342090 is an abundant number, since it is smaller than the sum of its proper divisors (14969776374).

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

6615342090 is a wasteful number, since it uses less digits than its factorization.

6615342090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22923 (or 22911 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 6615342090 is about 81334.7532731243. The cubic root of 6615342090 is about 1877.2297824530.

The spelling of 6615342090 in words is "six billion, six hundred fifteen million, three hundred forty-two thousand, ninety".