669676124 has 24 divisors (see below), whose sum is σ = 1292868528. Its totient is φ = 301541760.

The previous prime is 669676103. The next prime is 669676129. The reversal of 669676124 is 421676966.

It is a super-2 number, since 2×669676124² = 896932222111326752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669676129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 154922 + ... + 159185.

It is an arithmetic number, because the mean of its divisors is an integer number (53869522).

Almost surely, 2^669676124 is an apocalyptic number.

It is an amenable number.

669676124 is a deficient number, since it is larger than the sum of its proper divisors (623192404).

669676124 is a wasteful number, since it uses less digits than its factorization.

669676124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314165 (or 314163 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 669676124 is about 25878.1012441021. The cubic root of 669676124 is about 874.8929932817.

The spelling of 669676124 in words is "six hundred sixty-nine million, six hundred seventy-six thousand, one hundred twenty-four".