60671538644 has 36 divisors (see below), whose sum is σ = 112094554068. Its totient is φ = 28729641600.

The previous prime is 60671538637. The next prime is 60671538649. The reversal of 60671538644 is 44683517606.

It can be written as a sum of positive squares in 2 ways, for example, as 34883032900 + 25788505744 = 186770^2 + 160588^2 .

It is a junction number, because it is equal to n+sod(n) for n = 60671538592 and 60671538601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (60671538649) 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, 6408074 + ... + 6417534.

It is an arithmetic number, because the mean of its divisors is an integer number (3113737613).

Almost surely, 2^60671538644 is an apocalyptic number.

It is an amenable number.

60671538644 is a deficient number, since it is larger than the sum of its proper divisors (51423015424).

60671538644 is a wasteful number, since it uses less digits than its factorization.

60671538644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13944 (or 13923 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 60671538644 in words is "sixty billion, six hundred seventy-one million, five hundred thirty-eight thousand, six hundred forty-four".