100406106603 has 40 divisors (see below), whose sum is σ = 166398154560. Its totient is φ = 59820761520.

The previous prime is 100406106551. The next prime is 100406106611. The reversal of 100406106603 is 306601604001.

100406106603 is a `hidden beast` number, since 1 + 0 + 0 + 40 + 6 + 10 + 6 + 603 = 666.

It is not a de Polignac number, because 100406106603 - 2³³ = 91816172011 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (100406105603) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 902425 + ... + 1007562.

It is an arithmetic number, because the mean of its divisors is an integer number (4159953864).

Almost surely, 2^100406106603 is an apocalyptic number.

100406106603 is a deficient number, since it is larger than the sum of its proper divisors (65992047957).

100406106603 is a wasteful number, since it uses less digits than its factorization.

100406106603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910069 (or 1910060 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The spelling of 100406106603 in words is "one hundred billion, four hundred six million, one hundred six thousand, six hundred three".