100655541 has 40 divisors (see below), whose sum is σ = 173473344. Its totient is φ = 56972160.

The previous prime is 100655519. The next prime is 100655557. The reversal of 100655541 is 145556001.

It is a happy number.

100655541 is a `hidden beast` number, since 1 + 0 + 0 + 655 + 5 + 4 + 1 = 666.

It is not a de Polignac number, because 100655541 - 2⁵ = 100655509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100655591) 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 39 ways as a sum of consecutive naturals, for example, 63286 + ... + 64856.

Almost surely, 2^100655541 is an apocalyptic number.

It is an amenable number.

100655541 is a deficient number, since it is larger than the sum of its proper divisors (72817803).

100655541 is a wasteful number, since it uses less digits than its factorization.

100655541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 100655541 is about 10032.7235085992. The cubic root of 100655541 is about 465.1709257166.

The spelling of 100655541 in words is "one hundred million, six hundred fifty-five thousand, five hundred forty-one".