102066841865455 has 32 divisors (see below), whose sum is σ = 123088368319488. Its totient is φ = 81249071155200.

The previous prime is 102066841865441. The next prime is 102066841865459. The reversal of 102066841865455 is 554568148660201.

It is not a de Polignac number, because 102066841865455 - 2⁵ = 102066841865423 is a prime.

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102066841865393 and 102066841865402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102066841865459) 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, 2335016050 + ... + 2335059760.

It is an arithmetic number, because the mean of its divisors is an integer number (3846511509984).

Almost surely, 2^{102066841865455} is an apocalyptic number.

102066841865455 is a deficient number, since it is larger than the sum of its proper divisors (21021526454033).

102066841865455 is a wasteful number, since it uses less digits than its factorization.

102066841865455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46627.

The product of its (nonzero) digits is 55296000, while the sum is 61.

The spelling of 102066841865455 in words is "one hundred two trillion, sixty-six billion, eight hundred forty-one million, eight hundred sixty-five thousand, four hundred fifty-five".