6610661046 has 64 divisors (see below), whose sum is σ = 16064697600. Its totient is φ = 1998374400.

The previous prime is 6610661033. The next prime is 6610661093. The reversal of 6610661046 is 6401660166.

It is a self number, because there is not a number n which added to its sum of digits gives 6610661046.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235606 + ... + 262166.

It is an arithmetic number, because the mean of its divisors is an integer number (251010900).

Almost surely, 2^6610661046 is an apocalyptic number.

6610661046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6610661046, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8032348800).

6610661046 is an abundant number, since it is smaller than the sum of its proper divisors (9454036554).

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

6610661046 is a wasteful number, since it uses less digits than its factorization.

6610661046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27002 (or 26996 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 6610661046 is about 81305.9717732960. The cubic root of 6610661046 is about 1876.7868994006.

The spelling of 6610661046 in words is "six billion, six hundred ten million, six hundred sixty-one thousand, forty-six".