100646067042 has 24 divisors (see below), whose sum is σ = 219404316144. Its totient is φ = 33342867864.

The previous prime is 100646067023. The next prime is 100646067047. The reversal of 100646067042 is 240760646001.

100646067042 is a `hidden beast` number, since 1 + 0 + 0 + 6 + 4 + 606 + 7 + 0 + 42 = 666.

It is a super-2 number, since 2×100646067042² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100646066988 and 100646067006.

It is not an unprimeable number, because it can be changed into a prime (100646067047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17148748 + ... + 17154615.

It is an arithmetic number, because the mean of its divisors is an integer number (9141846506).

Almost surely, 2^100646067042 is an apocalyptic number.

100646067042 is an abundant number, since it is smaller than the sum of its proper divisors (118758249102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100646067042 is a wasteful number, since it uses less digits than its factorization.

100646067042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34303534 (or 34303531 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The spelling of 100646067042 in words is "one hundred billion, six hundred forty-six million, sixty-seven thousand, forty-two".