64061616024 has 48 divisors (see below), whose sum is σ = 198285955920. Its totient is φ = 18303318720.

The previous prime is 64061616023. The next prime is 64061616049. The reversal of 64061616024 is 42061616046.

64061616024 is a `hidden beast` number, since 6 + 4 + 0 + 616 + 16 + 0 + 24 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 64061616024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64061616023) 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, 63552687 + ... + 63553694.

It is an arithmetic number, because the mean of its divisors is an integer number (4130957415).

Almost surely, 2^64061616024 is an apocalyptic number.

It is an amenable number.

64061616024 is an abundant number, since it is smaller than the sum of its proper divisors (134224339896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64061616024 is a wasteful number, since it uses less digits than its factorization.

64061616024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127106400 (or 127106393 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 64061616024 in words is "sixty-four billion, sixty-one million, six hundred sixteen thousand, twenty-four".