669483360 has 576 divisors, whose sum is σ = 2921909760. Its totient is φ = 140175360.

The previous prime is 669483359. The next prime is 669483389. The reversal of 669483360 is 63384966.

It is a super-3 number, since 3×669483360³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5110495 + ... + 5110625.

It is an arithmetic number, because the mean of its divisors is an integer number (5072760).

Almost surely, 2^669483360 is an apocalyptic number.

669483360 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 669483360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1460954880).

669483360 is an abundant number, since it is smaller than the sum of its proper divisors (2252426400).

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

669483360 is a wasteful number, since it uses less digits than its factorization.

669483360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The square root of 669483360 is about 25874.3765142274. The cubic root of 669483360 is about 874.8090402328.

The spelling of 669483360 in words is "six hundred sixty-nine million, four hundred eighty-three thousand, three hundred sixty".