64516941 has 12 divisors (see below), whose sum is σ = 93316860. Its totient is φ = 42953280.

The previous prime is 64516939. The next prime is 64516961. The reversal of 64516941 is 14961546.

64516941 is a `hidden beast` number, since 645 + 1 + 6 + 9 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 61168041 + 3348900 = 7821^2 + 1830^2 .

It is not a de Polignac number, because 64516941 - 2¹ = 64516939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64516896 and 64516905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64516961) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2851 + ... + 11711.

It is an arithmetic number, because the mean of its divisors is an integer number (7776405).

Almost surely, 2^64516941 is an apocalyptic number.

It is an amenable number.

64516941 is a deficient number, since it is larger than the sum of its proper divisors (28799919).

64516941 is a wasteful number, since it uses less digits than its factorization.

64516941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9676 (or 9673 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 64516941 is about 8032.2438334503. The cubic root of 64516941 is about 401.0740737492.

The spelling of 64516941 in words is "sixty-four million, five hundred sixteen thousand, nine hundred forty-one".