669330151876 has 9 divisors (see below), whose sum is σ = 1171330629231. Its totient is φ = 334664257812.

The previous prime is 669330151859. The next prime is 669330151877. The reversal of 669330151876 is 678151033966.

The square root of 669330151876 is 818126.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (669330151877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1431721 + ... + 1840783.

Almost surely, 2^669330151876 is an apocalyptic number.

669330151876 is the 818126-th square number.

It is an amenable number.

669330151876 is a deficient number, since it is larger than the sum of its proper divisors (502000477355).

669330151876 is an frugal number, since it uses more digits than its factorization.

669330151876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818130 (or 409065 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 669330151876 in words is "six hundred sixty-nine billion, three hundred thirty million, one hundred fifty-one thousand, eight hundred seventy-six".