100263166225 has 12 divisors (see below), whose sum is σ = 124788514140. Its totient is φ = 79912347200.

The previous prime is 100263166217. The next prime is 100263166249. The reversal of 100263166225 is 522661362001.

It can be written as a sum of positive squares in 6 ways, for example, as 35544315024 + 64718851201 = 188532^2 + 254399^2 .

It is not a de Polignac number, because 100263166225 - 2³ = 100263166217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7447786 + ... + 7461235.

It is an arithmetic number, because the mean of its divisors is an integer number (10399042845).

Almost surely, 2^100263166225 is an apocalyptic number.

It is an amenable number.

100263166225 is a deficient number, since it is larger than the sum of its proper divisors (24525347915).

100263166225 is a wasteful number, since it uses less digits than its factorization.

100263166225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14909300 (or 14909295 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 100263166225 in words is "one hundred billion, two hundred sixty-three million, one hundred sixty-six thousand, two hundred twenty-five".