669033117015 has 16 divisors (see below), whose sum is σ = 1070488089600. Its totient is φ = 356805961632.

The previous prime is 669033117001. The next prime is 669033117017. The reversal of 669033117015 is 510711330966.

It is not a de Polignac number, because 669033117015 - 2⁶ = 669033116951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669033117017) 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, 248335 + ... + 1183104.

It is an arithmetic number, because the mean of its divisors is an integer number (66905505600).

Almost surely, 2^669033117015 is an apocalyptic number.

669033117015 is a deficient number, since it is larger than the sum of its proper divisors (401454972585).

669033117015 is a wasteful number, since it uses less digits than its factorization.

669033117015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1462606.

The product of its (nonzero) digits is 102060, while the sum is 42.

The spelling of 669033117015 in words is "six hundred sixty-nine billion, thirty-three million, one hundred seventeen thousand, fifteen".