61775010416 has 20 divisors (see below), whose sum is σ = 136787523312. Its totient is φ = 26475004416.

The previous prime is 61775010389. The next prime is 61775010419. The reversal of 61775010416 is 61401057716.

It is a self number, because there is not a number n which added to its sum of digits gives 61775010416.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61775010419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275781185 + ... + 275781408.

Almost surely, 2^61775010416 is an apocalyptic number.

It is an amenable number.

61775010416 is an abundant number, since it is smaller than the sum of its proper divisors (75012512896).

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

61775010416 is a wasteful number, since it uses less digits than its factorization.

61775010416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551562608 (or 551562602 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 61775010416 in words is "sixty-one billion, seven hundred seventy-five million, ten thousand, four hundred sixteen".