100655490663841 has 9 divisors (see below), whose sum is σ = 101060634584689. Its totient is φ = 100251964592500.

The previous prime is 100655490663829. The next prime is 100655490663877. The reversal of 100655490663841 is 148366094556001.

The square root of 100655490663841 is 10032721.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 100655490663841 - 2¹⁹ = 100655490139553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100655490660841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2518192986 + ... + 2518232956.

Almost surely, 2^{100655490663841} is an apocalyptic number.

100655490663841 is the 10032721-st square number.

100655490663841 is the 5016361-st centered octagonal number.

It is an amenable number.

100655490663841 is a deficient number, since it is larger than the sum of its proper divisors (405143920848).

100655490663841 is an frugal number, since it uses more digits than its factorization.

100655490663841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80444 (or 40222 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 58.

The spelling of 100655490663841 in words is "one hundred trillion, six hundred fifty-five billion, four hundred ninety million, six hundred sixty-three thousand, eight hundred forty-one".