100644154003161 has 24 divisors (see below), whose sum is σ = 147291455488320. Its totient is φ = 66216302143776.

The previous prime is 100644154003109. The next prime is 100644154003163. The reversal of 100644154003161 is 161300451446001.

100644154003161 is a `hidden beast` number, since 1 + 0 + 0 + 6 + 441 + 54 + 0 + 0 + 3 + 161 = 666.

It is not a de Polignac number, because 100644154003161 - 2⁶ = 100644154003097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100644154003163) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 198436966 + ... + 198943503.

It is an arithmetic number, because the mean of its divisors is an integer number (6137143978680).

Almost surely, 2^{100644154003161} is an apocalyptic number.

It is an amenable number.

100644154003161 is a deficient number, since it is larger than the sum of its proper divisors (46647301485159).

100644154003161 is a wasteful number, since it uses less digits than its factorization.

100644154003161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397380845 (or 397380842 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 100644154003161 in words is "one hundred trillion, six hundred forty-four billion, one hundred fifty-four million, three thousand, one hundred sixty-one".