866132635081052 has 48 divisors (see below), whose sum is σ = 1537492281790080. Its totient is φ = 426887929423872.

The previous prime is 866132635081037. The next prime is 866132635081093. The reversal of 866132635081052 is 250180536231668.

866132635081052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105603149 + ... + 113508987.

It is an arithmetic number, because the mean of its divisors is an integer number (32031089203960).

Almost surely, 2^{866132635081052} is an apocalyptic number.

It is an amenable number.

866132635081052 is a deficient number, since it is larger than the sum of its proper divisors (671359646709028).

866132635081052 is a wasteful number, since it uses less digits than its factorization.

866132635081052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7907070 (or 7907068 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 866132635081052 in words is "eight hundred sixty-six trillion, one hundred thirty-two billion, six hundred thirty-five million, eighty-one thousand, fifty-two".