100749925666 has 16 divisors (see below), whose sum is σ = 162755457984. Its totient is φ = 46498371984.

The previous prime is 100749925663. The next prime is 100749925691. The reversal of 100749925666 is 666529947001.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (100749925663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1080595 + ... + 1170121.

It is an arithmetic number, because the mean of its divisors is an integer number (10172216124).

Almost surely, 2^100749925666 is an apocalyptic number.

100749925666 is a deficient number, since it is larger than the sum of its proper divisors (62005532318).

100749925666 is a wasteful number, since it uses less digits than its factorization.

100749925666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132825.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 100749925666 in words is "one hundred billion, seven hundred forty-nine million, nine hundred twenty-five thousand, six hundred sixty-six".