669670092 has 288 divisors, whose sum is σ = 2212234752. Its totient is φ = 172440576.

The previous prime is 669670081. The next prime is 669670109. The reversal of 669670092 is 290076966.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5926228 + ... + 5926340.

Almost surely, 2^669670092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 669670092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106117376).

669670092 is an abundant number, since it is smaller than the sum of its proper divisors (1542564660).

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

669670092 is a wasteful number, since it uses less digits than its factorization.

669670092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 669670092 is about 25877.9846974219. The cubic root of 669670092 is about 874.8903664545.

It can be divided in two parts, 669 and 670092, that added together give a square (670761 = 819²).

The spelling of 669670092 in words is "six hundred sixty-nine million, six hundred seventy thousand, ninety-two".