100061648666 has 16 divisors (see below), whose sum is σ = 171538515456. Its totient is φ = 42882498576.

The previous prime is 100061648647. The next prime is 100061648707. The reversal of 100061648666 is 666846160001.

It is a happy number.

It is a Curzon number.

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, 806135 + ... + 921941.

It is an arithmetic number, because the mean of its divisors is an integer number (10721157216).

Almost surely, 2^100061648666 is an apocalyptic number.

100061648666 is a deficient number, since it is larger than the sum of its proper divisors (71476866790).

100061648666 is a wasteful number, since it uses less digits than its factorization.

100061648666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177533.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 100061648666 in words is "one hundred billion, sixty-one million, six hundred forty-eight thousand, six hundred sixty-six".