64164846146 has 4 divisors (see below), whose sum is σ = 96247269222. Its totient is φ = 32082423072.

The previous prime is 64164846133. The next prime is 64164846149.

64164846146 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 46796505625 + 17368340521 = 216325^2 + 131789^2 .

It is a junction number, because it is equal to n+sod(n) for n = 64164846094 and 64164846103.

It is not an unprimeable number, because it can be changed into a prime (64164846149) by changing a digit.

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 as a sum of consecutive naturals, namely, 16041211535 + ... + 16041211538.

Almost surely, 2^64164846146 is an apocalyptic number.

64164846146 is a deficient number, since it is larger than the sum of its proper divisors (32082423076).

64164846146 is a wasteful number, since it uses less digits than its factorization.

64164846146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32082423075.

The product of its digits is 2654208, while the sum is 50.

The spelling of 64164846146 in words is "sixty-four billion, one hundred sixty-four million, eight hundred forty-six thousand, one hundred forty-six".