100521660968 has 64 divisors (see below), whose sum is σ = 195099840000. Its totient is φ = 48527741952.

The previous prime is 100521660961. The next prime is 100521660983. The reversal of 100521660968 is 869066125001.

It is not an unprimeable number, because it can be changed into a prime (100521660961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10413008 + ... + 10422656.

It is an arithmetic number, because the mean of its divisors is an integer number (3048435000).

Almost surely, 2^100521660968 is an apocalyptic number.

It is an amenable number.

100521660968 is a deficient number, since it is larger than the sum of its proper divisors (94578179032).

100521660968 is a wasteful number, since it uses less digits than its factorization.

100521660968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10074 (or 10070 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 44.

Adding to 100521660968 its reverse (869066125001), we get a palindrome (969587785969).

The spelling of 100521660968 in words is "one hundred billion, five hundred twenty-one million, six hundred sixty thousand, nine hundred sixty-eight".