2266667155780 has 12 divisors (see below), whose sum is σ = 4760001027180. Its totient is φ = 906666862304.

The previous prime is 2266667155771. The next prime is 2266667155787. The reversal of 2266667155780 is 875517666622.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1062367226944 + 1204299928836 = 1030712^2 + 1097406^2 .

It is not an unprimeable number, because it can be changed into a prime (2266667155787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56666678875 + ... + 56666678914.

It is an arithmetic number, because the mean of its divisors is an integer number (396666752265).

Almost surely, 2^{2266667155780} is an apocalyptic number.

2266667155780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2266667155780 is an abundant number, since it is smaller than the sum of its proper divisors (2493333871400).

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

2266667155780 is a wasteful number, since it uses less digits than its factorization.

2266667155780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113333357798 (or 113333357796 counting only the distinct ones).

The product of its (nonzero) digits is 50803200, while the sum is 61.

The spelling of 2266667155780 in words is "two trillion, two hundred sixty-six billion, six hundred sixty-seven million, one hundred fifty-five thousand, seven hundred eighty".