21064714106170 has 32 divisors (see below), whose sum is σ = 43471570699008. Its totient is φ = 7199113603968.

The previous prime is 21064714106129. The next prime is 21064714106171. The reversal of 21064714106170 is 7160141746012.

It is not an unprimeable number, because it can be changed into a prime (21064714106171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480688134 + ... + 480731953.

It is an arithmetic number, because the mean of its divisors is an integer number (1358486584344).

Almost surely, 2^{21064714106170} is an apocalyptic number.

21064714106170 is an abundant number, since it is smaller than the sum of its proper divisors (22406856592838).

21064714106170 is a wasteful number, since it uses less digits than its factorization.

21064714106170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961420414.

The product of its (nonzero) digits is 56448, while the sum is 40.

The spelling of 21064714106170 in words is "twenty-one trillion, sixty-four billion, seven hundred fourteen million, one hundred six thousand, one hundred seventy".