6045665406 has 16 divisors (see below), whose sum is σ = 13190542848. Its totient is φ = 1832019800.

The previous prime is 6045665401. The next prime is 6045665419.

It is a happy number.

6045665406 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6045665401) 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, 45800430 + ... + 45800561.

It is an arithmetic number, because the mean of its divisors is an integer number (824408928).

Almost surely, 2^6045665406 is an apocalyptic number.

6045665406 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

6045665406 is an abundant number, since it is smaller than the sum of its proper divisors (7144877442).

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

6045665406 is a wasteful number, since it uses less digits than its factorization.

6045665406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91601007.

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 6045665406 is about 77753.8771123344. The cubic root of 6045665406 is about 1821.7189216585.

The spelling of 6045665406 in words is "six billion, forty-five million, six hundred sixty-five thousand, four hundred six".