2066313255400 has 96 divisors (see below), whose sum is σ = 4939453140480. Its totient is φ = 803301408000.

The previous prime is 2066313255397. The next prime is 2066313255403. The reversal of 2066313255400 is 45523136602.

It is an interprime number because it is at equal distance from previous prime (2066313255397) and next prime (2066313255403).

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a self number, because there is not a number n which added to its sum of digits gives 2066313255400.

It is not an unprimeable number, because it can be changed into a prime (2066313255403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6588145 + ... + 6894655.

It is an arithmetic number, because the mean of its divisors is an integer number (51452636880).

Almost surely, 2^{2066313255400} is an apocalyptic number.

2066313255400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2066313255400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2469726570240).

2066313255400 is an abundant number, since it is smaller than the sum of its proper divisors (2873139885080).

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

2066313255400 is a wasteful number, since it uses less digits than its factorization.

2066313255400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307475 (or 307466 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 2066313255400 in words is "two trillion, sixty-six billion, three hundred thirteen million, two hundred fifty-five thousand, four hundred".