1332666673 has 8 divisors (see below), whose sum is σ = 1439769128. Its totient is φ = 1226219904.

The previous prime is 1332666653. The next prime is 1332666683. The reversal of 1332666673 is 3766662331.

It can be written as a sum of positive squares in 4 ways, for example, as 118004769 + 1214661904 = 10863^2 + 34852^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1332666673 - 2⁵ = 1332666641 is a prime.

It is a super-2 number, since 2×1332666673² = 3552000922649777858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1332666653) 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, 159690 + ... + 167827.

It is an arithmetic number, because the mean of its divisors is an integer number (179971141).

Almost surely, 2^1332666673 is an apocalyptic number.

1332666673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1332666673 is a deficient number, since it is larger than the sum of its proper divisors (107102455).

1332666673 is a wasteful number, since it uses less digits than its factorization.

1332666673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327843.

The product of its digits is 489888, while the sum is 43.

The square root of 1332666673 is about 36505.7074030897. The cubic root of 1332666673 is about 1100.4589470569.

The spelling of 1332666673 in words is "one billion, three hundred thirty-two million, six hundred sixty-six thousand, six hundred seventy-three".