2265166454644 has 24 divisors (see below), whose sum is σ = 4136641367040. Its totient is φ = 1083274884384.

The previous prime is 2265166454611. The next prime is 2265166454647. The reversal of 2265166454644 is 4464546615622.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2265166454647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799642 + ... + 2273710.

It is an arithmetic number, because the mean of its divisors is an integer number (172360056960).

Almost surely, 2^{2265166454644} is an apocalyptic number.

It is an amenable number.

2265166454644 is a deficient number, since it is larger than the sum of its proper divisors (1871474912396).

2265166454644 is a wasteful number, since it uses less digits than its factorization.

2265166454644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490799 (or 1490797 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 55.

The spelling of 2265166454644 in words is "two trillion, two hundred sixty-five billion, one hundred sixty-six million, four hundred fifty-four thousand, six hundred forty-four".