100566253642 has 16 divisors (see below), whose sum is σ = 159032028960. Its totient is φ = 47563684272.

The previous prime is 100566253637. The next prime is 100566253651. The reversal of 100566253642 is 246352665001.

It is a happy number.

It is a super-2 number, since 2×100566253642² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100566253595 and 100566253604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2001588 + ... + 2051215.

It is an arithmetic number, because the mean of its divisors is an integer number (9939501810).

Almost surely, 2^100566253642 is an apocalyptic number.

100566253642 is a deficient number, since it is larger than the sum of its proper divisors (58465775318).

100566253642 is a wasteful number, since it uses less digits than its factorization.

100566253642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4053477.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 100566253642 in words is "one hundred billion, five hundred sixty-six million, two hundred fifty-three thousand, six hundred forty-two".