216066171702 has 32 divisors (see below), whose sum is σ = 457579412064. Its totient is φ = 67781388800.

The previous prime is 216066171689. The next prime is 216066171721. The reversal of 216066171702 is 207171660612.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1951552 + ... + 2059292.

It is an arithmetic number, because the mean of its divisors is an integer number (14299356627).

Almost surely, 2^216066171702 is an apocalyptic number.

216066171702 is an abundant number, since it is smaller than the sum of its proper divisors (241513240362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

216066171702 is a wasteful number, since it uses less digits than its factorization.

216066171702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127424.

The product of its (nonzero) digits is 42336, while the sum is 39.

The spelling of 216066171702 in words is "two hundred sixteen billion, sixty-six million, one hundred seventy-one thousand, seven hundred two".