100866516498321 has 32 divisors (see below), whose sum is σ = 154140823879680. Its totient is φ = 57473264850624.

The previous prime is 100866516498239. The next prime is 100866516498329. The reversal of 100866516498321 is 123894615668001.

It is not a de Polignac number, because 100866516498321 - 2²³ = 100866508109713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100866516498329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 43028496 + ... + 45312078.

It is an arithmetic number, because the mean of its divisors is an integer number (4816900746240).

Almost surely, 2^{100866516498321} is an apocalyptic number.

It is an amenable number.

100866516498321 is a deficient number, since it is larger than the sum of its proper divisors (53274307381359).

100866516498321 is a wasteful number, since it uses less digits than its factorization.

100866516498321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289605.

The product of its (nonzero) digits is 14929920, while the sum is 60.

The spelling of 100866516498321 in words is "one hundred trillion, eight hundred sixty-six billion, five hundred sixteen million, four hundred ninety-eight thousand, three hundred twenty-one".