64980116 has 12 divisors (see below), whose sum is σ = 114010260. Its totient is φ = 32405760.

The previous prime is 64980089. The next prime is 64980131. The reversal of 64980116 is 61108946.

It can be written as a sum of positive squares in 2 ways, for example, as 4202500 + 60777616 = 2050^2 + 7796^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19325 + ... + 22436.

It is an arithmetic number, because the mean of its divisors is an integer number (9500855).

Almost surely, 2^64980116 is an apocalyptic number.

It is an amenable number.

64980116 is a deficient number, since it is larger than the sum of its proper divisors (49030144).

64980116 is a wasteful number, since it uses less digits than its factorization.

64980116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42154 (or 42152 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 64980116 is about 8061.0245006451. The cubic root of 64980116 is about 402.0315726463.

The spelling of 64980116 in words is "sixty-four million, nine hundred eighty thousand, one hundred sixteen".