64471704525164 has 6 divisors (see below), whose sum is σ = 112825482919044. Its totient is φ = 32235852262580.

The previous prime is 64471704525113. The next prime is 64471704525167. The reversal of 64471704525164 is 46152540717446.

It is not an unprimeable number, because it can be changed into a prime (64471704525167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8058963065642 + ... + 8058963065649.

It is an arithmetic number, because the mean of its divisors is an integer number (18804247153174).

Almost surely, 2^{64471704525164} is an apocalyptic number.

It is an amenable number.

64471704525164 is a deficient number, since it is larger than the sum of its proper divisors (48353778393880).

64471704525164 is a wasteful number, since it uses less digits than its factorization.

64471704525164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16117926131295 (or 16117926131293 counting only the distinct ones).

The product of its (nonzero) digits is 22579200, while the sum is 56.

The spelling of 64471704525164 in words is "sixty-four trillion, four hundred seventy-one billion, seven hundred four million, five hundred twenty-five thousand, one hundred sixty-four".