669028924518 has 16 divisors (see below), whose sum is σ = 1338588644016. Its totient is φ = 222921175680.

The previous prime is 669028924439. The next prime is 669028924519. The reversal of 669028924518 is 815429820966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669028924519) 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, 22100071 + ... + 22130322.

It is an arithmetic number, because the mean of its divisors is an integer number (83661790251).

Almost surely, 2^669028924518 is an apocalyptic number.

669028924518 is an abundant number, since it is smaller than the sum of its proper divisors (669559719498).

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

669028924518 is a wasteful number, since it uses less digits than its factorization.

669028924518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44232919.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 669028924518 in words is "six hundred sixty-nine billion, twenty-eight million, nine hundred twenty-four thousand, five hundred eighteen".