669995062 has 48 divisors (see below), whose sum is σ = 1197406800. Its totient is φ = 278470080.

The previous prime is 669995057. The next prime is 669995071. The reversal of 669995062 is 260599966.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 228864 + ... + 231772.

It is an arithmetic number, because the mean of its divisors is an integer number (24945975).

Almost surely, 2^669995062 is an apocalyptic number.

669995062 is a deficient number, since it is larger than the sum of its proper divisors (527411738).

669995062 is a wasteful number, since it uses less digits than its factorization.

669995062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2989 (or 2970 counting only the distinct ones).

The product of its (nonzero) digits is 1574640, while the sum is 52.

The square root of 669995062 is about 25884.2628251221. The cubic root of 669995062 is about 875.0318625676.

It can be divided in two parts, 6699 and 95062, that added together give a square (101761 = 319²).

The spelling of 669995062 in words is "six hundred sixty-nine million, nine hundred ninety-five thousand, sixty-two".