84664989044163 has 160 divisors (see below), whose sum is σ = 144412105305600. Its totient is φ = 48931099176960.

The previous prime is 84664989044101. The next prime is 84664989044177. The reversal of 84664989044163 is 36144098946648.

84664989044163 is a `hidden beast` number, since 8 + 4 + 6 + 6 + 4 + 98 + 90 + 441 + 6 + 3 = 666.

It is a Cunningham number, because it is equal to 9201358²-1.

It is not a de Polignac number, because 84664989044163 - 2²¹ = 84664986947011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 84664989044091 and 84664989044100.

It is not an unprimeable number, because it can be changed into a prime (84664989444163) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 13737622920 + ... + 13737629082.

It is an arithmetic number, because the mean of its divisors is an integer number (902575658160).

Almost surely, 2^{84664989044163} is an apocalyptic number.

84664989044163 is a deficient number, since it is larger than the sum of its proper divisors (59747116261437).

84664989044163 is a wasteful number, since it uses less digits than its factorization.

84664989044163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8151 (or 8142 counting only the distinct ones).

The product of its (nonzero) digits is 859963392, while the sum is 72.

The spelling of 84664989044163 in words is "eighty-four trillion, six hundred sixty-four billion, nine hundred eighty-nine million, forty-four thousand, one hundred sixty-three".