64163277236146 has 64 divisors (see below), whose sum is σ = 106968258270720. Its totient is φ = 28618691760000.

The previous prime is 64163277236099. The next prime is 64163277236153.

It is a happy number.

64163277236146 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64163277236146² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1708223206 + ... + 1708260766.

It is an arithmetic number, because the mean of its divisors is an integer number (1671379035480).

Almost surely, 2^{64163277236146} is an apocalyptic number.

64163277236146 is a deficient number, since it is larger than the sum of its proper divisors (42804981034574).

64163277236146 is a wasteful number, since it uses less digits than its factorization.

64163277236146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39991.

The product of its digits is 36578304, while the sum is 58.

The spelling of 64163277236146 in words is "sixty-four trillion, one hundred sixty-three billion, two hundred seventy-seven million, two hundred thirty-six thousand, one hundred forty-six".