5541466665 has 16 divisors (see below), whose sum is σ = 10132967808. Its totient is φ = 2533241856.

The previous prime is 5541466661. The next prime is 5541466673. The reversal of 5541466665 is 5666641455.

It is not a de Polignac number, because 5541466665 - 2² = 5541466661 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5541466661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26387832 + ... + 26388041.

It is an arithmetic number, because the mean of its divisors is an integer number (633310488).

Almost surely, 2^5541466665 is an apocalyptic number.

It is an amenable number.

5541466665 is a deficient number, since it is larger than the sum of its proper divisors (4591501143).

5541466665 is a wasteful number, since it uses less digits than its factorization.

5541466665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52775888.

The product of its digits is 2592000, while the sum is 48.

The square root of 5541466665 is about 74441.0281027875. The cubic root of 5541466665 is about 1769.5991798841.

The spelling of 5541466665 in words is "five billion, five hundred forty-one million, four hundred sixty-six thousand, six hundred sixty-five".