64081770052 has 12 divisors (see below), whose sum is σ = 114529121280. Its totient is φ = 31359163976.

The previous prime is 64081770019. The next prime is 64081770073. The reversal of 64081770052 is 25007718046.

64081770052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 64081769987 and 64081770014.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170430052 + ... + 170430427.

It is an arithmetic number, because the mean of its divisors is an integer number (9544093440).

Almost surely, 2^64081770052 is an apocalyptic number.

It is an amenable number.

64081770052 is a deficient number, since it is larger than the sum of its proper divisors (50447351228).

64081770052 is a wasteful number, since it uses less digits than its factorization.

64081770052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340860530 (or 340860528 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 40.

The spelling of 64081770052 in words is "sixty-four billion, eighty-one million, seven hundred seventy thousand, fifty-two".