669697000670 has 8 divisors (see below), whose sum is σ = 1205454601224. Its totient is φ = 267878800264.

The previous prime is 669697000603. The next prime is 669697000681. The reversal of 669697000670 is 76000796966.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33484850024 + ... + 33484850043.

It is an arithmetic number, because the mean of its divisors is an integer number (150681825153).

Almost surely, 2^669697000670 is an apocalyptic number.

669697000670 is a deficient number, since it is larger than the sum of its proper divisors (535757600554).

669697000670 is a wasteful number, since it uses less digits than its factorization.

669697000670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66969700074.

The product of its (nonzero) digits is 5143824, while the sum is 56.

The spelling of 669697000670 in words is "six hundred sixty-nine billion, six hundred ninety-seven million, six hundred seventy", and thus it is an aban number.