665424014 has 16 divisors (see below), whose sum is σ = 1023215760. Its totient is φ = 324363840.

The previous prime is 665423951. The next prime is 665424029. The reversal of 665424014 is 410424566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186257 + ... + 189795.

It is an arithmetic number, because the mean of its divisors is an integer number (63950985).

Almost surely, 2^665424014 is an apocalyptic number.

665424014 is a deficient number, since it is larger than the sum of its proper divisors (357791746).

665424014 is a wasteful number, since it uses less digits than its factorization.

665424014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5875.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 665424014 is about 25795.8138852024. The cubic root of 665424014 is about 873.0373485970.

The spelling of 665424014 in words is "six hundred sixty-five million, four hundred twenty-four thousand, fourteen".