64545654546 has 32 divisors (see below), whose sum is σ = 145455004800. Its totient is φ = 21212185680.

The previous prime is 64545654529. The next prime is 64545654557.

64545654546 is a `hidden beast` number, since 6 + 4 + 5 + 4 + 56 + 545 + 46 = 666.

64545654546 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×64545654546² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 64545654492 and 64545654501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8413701 + ... + 8421368.

It is an arithmetic number, because the mean of its divisors is an integer number (4545468900).

Almost surely, 2^64545654546 is an apocalyptic number.

64545654546 is an abundant number, since it is smaller than the sum of its proper divisors (80909350254).

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

64545654546 is a wasteful number, since it uses less digits than its factorization.

64545654546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16835151 (or 16835145 counting only the distinct ones).

The product of its digits is 34560000, while the sum is 54.

The spelling of 64545654546 in words is "sixty-four billion, five hundred forty-five million, six hundred fifty-four thousand, five hundred forty-six".