100521660966 has 16 divisors (see below), whose sum is σ = 204043969344. Its totient is φ = 33007112424.

The previous prime is 100521660961. The next prime is 100521660983. The reversal of 100521660966 is 669066125001.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100521660961) 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, 125026540 + ... + 125027343.

It is an arithmetic number, because the mean of its divisors is an integer number (12752748084).

Almost surely, 2^100521660966 is an apocalyptic number.

100521660966 is an abundant number, since it is smaller than the sum of its proper divisors (103522308378).

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

100521660966 is a wasteful number, since it uses less digits than its factorization.

100521660966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250053955.

The product of its (nonzero) digits is 116640, while the sum is 42.

Adding to 100521660966 its reverse (669066125001), we get a palindrome (769587785967).

The spelling of 100521660966 in words is "one hundred billion, five hundred twenty-one million, six hundred sixty thousand, nine hundred sixty-six".