88667610063561 has 12 divisors (see below), whose sum is σ = 128088372493380. Its totient is φ = 59105769703200.

The previous prime is 88667610063521. The next prime is 88667610063569. The reversal of 88667610063561 is 16536001676688.

88667610063561 is a `hidden beast` number, since 8 + 8 + 6 + 6 + 7 + 6 + 1 + 0 + 0 + 63 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 76809098246400 + 11858511817161 = 8764080^2 + 3443619^2 .

It is not a de Polignac number, because 88667610063561 - 2¹⁸ = 88667609801417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (88667610063569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 497434206 + ... + 497612423.

It is an arithmetic number, because the mean of its divisors is an integer number (10674031041115).

Almost surely, 2^{88667610063561} is an apocalyptic number.

It is an amenable number.

88667610063561 is a deficient number, since it is larger than the sum of its proper divisors (39420762429819).

88667610063561 is a wasteful number, since it uses less digits than its factorization.

88667610063561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995056536 (or 995056533 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 88667610063561 in words is "eighty-eight trillion, six hundred sixty-seven billion, six hundred ten million, sixty-three thousand, five hundred sixty-one".