84009016170063 has 12 divisors (see below), whose sum is σ = 121393962198600. Its totient is φ = 55984039006896.

The previous prime is 84009016170007. The next prime is 84009016170067. The reversal of 84009016170063 is 36007161090048.

It is a happy number.

84009016170063 is a `hidden beast` number, since 8 + 400 + 9 + 0 + 16 + 170 + 0 + 63 = 666.

It is not a de Polignac number, because 84009016170063 - 2⁶ = 84009016169999 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84009016170067) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1830956881 + ... + 1831002762.

It is an arithmetic number, because the mean of its divisors is an integer number (10116163516550).

Almost surely, 2^{84009016170063} is an apocalyptic number.

84009016170063 is a deficient number, since it is larger than the sum of its proper divisors (37384946028537).

84009016170063 is a wasteful number, since it uses less digits than its factorization.

84009016170063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3661962198 (or 3661962195 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The spelling of 84009016170063 in words is "eighty-four trillion, nine billion, sixteen million, one hundred seventy thousand, sixty-three".