100650720506 has 16 divisors (see below), whose sum is σ = 182693745216. Its totient is φ = 40598609856.

The previous prime is 100650720449. The next prime is 100650720553. The reversal of 100650720506 is 605027056001.

It is a happy number.

100650720506 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211450856 + ... + 211451331.

It is an arithmetic number, because the mean of its divisors is an integer number (11418359076).

Almost surely, 2^100650720506 is an apocalyptic number.

100650720506 is a deficient number, since it is larger than the sum of its proper divisors (82043024710).

100650720506 is a wasteful number, since it uses less digits than its factorization.

100650720506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422902213.

The product of its (nonzero) digits is 12600, while the sum is 32.

Adding to 100650720506 its reverse (605027056001), we get a palindrome (705677776507).

The spelling of 100650720506 in words is "one hundred billion, six hundred fifty million, seven hundred twenty thousand, five hundred six".