2612066666652 has 96 divisors (see below), whose sum is σ = 6956588620800. Its totient is φ = 846969638976.

The previous prime is 2612066666641. The next prime is 2612066666653. The reversal of 2612066666652 is 2566666602162.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2612066666653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18627433 + ... + 18767135.

It is an arithmetic number, because the mean of its divisors is an integer number (72464464800).

Almost surely, 2^{2612066666652} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2612066666652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3478294310400).

2612066666652 is an abundant number, since it is smaller than the sum of its proper divisors (4344521954148).

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

2612066666652 is a wasteful number, since it uses less digits than its factorization.

2612066666652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144432 (or 144424 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 2612066666652 in words is "two trillion, six hundred twelve billion, sixty-six million, six hundred sixty-six thousand, six hundred fifty-two".