102305440344163 has 64 divisors (see below), whose sum is σ = 121821810130944. Its totient is φ = 84071556288000.

The previous prime is 102305440344143. The next prime is 102305440344253. The reversal of 102305440344163 is 361443044503201.

It is a cyclic number.

It is not a de Polignac number, because 102305440344163 - 2¹⁷ = 102305440213091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102305440344143) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26158382178 + ... + 26158386088.

It is an arithmetic number, because the mean of its divisors is an integer number (1903465783296).

Almost surely, 2^{102305440344163} is an apocalyptic number.

102305440344163 is a deficient number, since it is larger than the sum of its proper divisors (19516369786781).

102305440344163 is a wasteful number, since it uses less digits than its factorization.

102305440344163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6656.

The product of its (nonzero) digits is 414720, while the sum is 40.

Adding to 102305440344163 its reverse (361443044503201), we get a palindrome (463748484847364).

The spelling of 102305440344163 in words is "one hundred two trillion, three hundred five billion, four hundred forty million, three hundred forty-four thousand, one hundred sixty-three".