99678032102601 has 20 divisors (see below), whose sum is σ = 148912256425812. Its totient is φ = 66447333324288.

The previous prime is 99678032102567. The next prime is 99678032102611. The reversal of 99678032102601 is 10620123087699.

99678032102601 is a `hidden beast` number, since 9 + 9 + 6 + 7 + 8 + 0 + 3 + 21 + 0 + 2 + 601 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 96766569000000 + 2911463102601 = 9837000^2 + 1706301^2 .

It is not a de Polignac number, because 99678032102601 - 2¹⁰ = 99678032101577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (99678032102611) 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 19 ways as a sum of consecutive naturals, for example, 42252700 + ... + 44549373.

Almost surely, 2^{99678032102601} is an apocalyptic number.

It is an amenable number.

99678032102601 is a deficient number, since it is larger than the sum of its proper divisors (49234224323211).

99678032102601 is a wasteful number, since it uses less digits than its factorization.

99678032102601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86816262 (or 86816253 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The spelling of 99678032102601 in words is "ninety-nine trillion, six hundred seventy-eight billion, thirty-two million, one hundred two thousand, six hundred one".