151973666244 has 81 divisors (see below), whose sum is σ = 393557734479. Its totient is φ = 49447051920.

The previous prime is 151973666239. The next prime is 151973666297. The reversal of 151973666244 is 442666379151.

It is a happy number.

The square root of 151973666244 is 389838.

It is a perfect power (a square), and thus also a powerful 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 26 ways as a sum of consecutive naturals, for example, 100577449 + ... + 100578959.

Almost surely, 2^151973666244 is an apocalyptic number.

151973666244 is the 389838-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 151973666244

151973666244 is an abundant number, since it is smaller than the sum of its proper divisors (241584068235).

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

151973666244 is an equidigital number, since it uses as much as digits as its factorization.

151973666244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118 (or 1559 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 151973666244 in words is "one hundred fifty-one billion, nine hundred seventy-three million, six hundred sixty-six thousand, two hundred forty-four".