1566148775252 has 24 divisors (see below), whose sum is σ = 2899508472000. Its totient is φ = 738131999616.

The previous prime is 1566148775227. The next prime is 1566148775273. The reversal of 1566148775252 is 2525778416651.

It is a junction number, because it is equal to n+sod(n) for n = 1566148775191 and 1566148775200.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 51761813 + ... + 51792060.

It is an arithmetic number, because the mean of its divisors is an integer number (120812853000).

Almost surely, 2^{1566148775252} is an apocalyptic number.

It is an amenable number.

1566148775252 is a deficient number, since it is larger than the sum of its proper divisors (1333359696748).

1566148775252 is a wasteful number, since it uses less digits than its factorization.

1566148775252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103554095 (or 103554093 counting only the distinct ones).

The product of its digits is 28224000, while the sum is 59.

The spelling of 1566148775252 in words is "one trillion, five hundred sixty-six billion, one hundred forty-eight million, seven hundred seventy-five thousand, two hundred fifty-two".