2665247355630 has 96 divisors (see below), whose sum is σ = 7237590257664. Its totient is φ = 679205216448.

The previous prime is 2665247355629. The next prime is 2665247355643. The reversal of 2665247355630 is 365537425662.

2665247355630 is a `hidden beast` number, since 2 + 6 + 6 + 5 + 2 + 4 + 73 + 5 + 563 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1657837 + ... + 2842343.

It is an arithmetic number, because the mean of its divisors is an integer number (75391565184).

Almost surely, 2^{2665247355630} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2665247355630, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3618795128832).

2665247355630 is an abundant number, since it is smaller than the sum of its proper divisors (4572342902034).

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

2665247355630 is a wasteful number, since it uses less digits than its factorization.

2665247355630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1185630 (or 1185627 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 54.

The spelling of 2665247355630 in words is "two trillion, six hundred sixty-five billion, two hundred forty-seven million, three hundred fifty-five thousand, six hundred thirty".