61632015066 has 24 divisors (see below), whose sum is σ = 133888385280. Its totient is φ = 20489796936.

The previous prime is 61632015059. The next prime is 61632015131. The reversal of 61632015066 is 66051023616.

61632015066 is a `hidden beast` number, since 6 + 1 + 632 + 0 + 15 + 0 + 6 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 61632015066.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4510330 + ... + 4523973.

It is an arithmetic number, because the mean of its divisors is an integer number (5578682720).

Almost surely, 2^61632015066 is an apocalyptic number.

61632015066 is an abundant number, since it is smaller than the sum of its proper divisors (72256370214).

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

61632015066 is a wasteful number, since it uses less digits than its factorization.

61632015066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9034690 (or 9034687 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 61632015066 in words is "sixty-one billion, six hundred thirty-two million, fifteen thousand, sixty-six".