646014736061 has 16 divisors (see below), whose sum is σ = 670874400000. Its totient is φ = 621330876096.

The previous prime is 646014736043. The next prime is 646014736063. The reversal of 646014736061 is 160637410646.

It is a happy number.

It is not a de Polignac number, because 646014736061 - 2¹⁴ = 646014719677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (646014736063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10281980 + ... + 10344618.

It is an arithmetic number, because the mean of its divisors is an integer number (41929650000).

Almost surely, 2^646014736061 is an apocalyptic number.

It is an amenable number.

646014736061 is a deficient number, since it is larger than the sum of its proper divisors (24859663939).

646014736061 is a wasteful number, since it uses less digits than its factorization.

646014736061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64036.

The product of its (nonzero) digits is 435456, while the sum is 44.

The spelling of 646014736061 in words is "six hundred forty-six billion, fourteen million, seven hundred thirty-six thousand, sixty-one".