654436364616 has 48 divisors (see below), whose sum is σ = 1783721226300. Its totient is φ = 216755989632.

The previous prime is 654436364587. The next prime is 654436364633. The reversal of 654436364616 is 616463634456.

654436364616 is a `hidden beast` number, since 6 + 544 + 3 + 6 + 36 + 4 + 61 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 637234992900 + 17201371716 = 798270^2 + 131154^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28935811 + ... + 28958418.

Almost surely, 2^654436364616 is an apocalyptic number.

It is an amenable number.

654436364616 is an abundant number, since it is smaller than the sum of its proper divisors (1129284861684).

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

654436364616 is a wasteful number, since it uses less digits than its factorization.

654436364616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57894398 (or 57894391 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 54.

The spelling of 654436364616 in words is "six hundred fifty-four billion, four hundred thirty-six million, three hundred sixty-four thousand, six hundred sixteen".