61773037716 has 72 divisors (see below), whose sum is σ = 160393713312. Its totient is φ = 18393912000.

The previous prime is 61773037693. The next prime is 61773037769.

61773037716 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 56110 + ... + 355941.

Almost surely, 2^61773037716 is an apocalyptic number.

It is an amenable number.

61773037716 is an abundant number, since it is smaller than the sum of its proper divisors (98620675596).

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

61773037716 is a wasteful number, since it uses less digits than its factorization.

61773037716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412133 (or 412100 counting only the distinct ones).

The product of its (nonzero) digits is 777924, while the sum is 48.

The spelling of 61773037716 in words is "sixty-one billion, seven hundred seventy-three million, thirty-seven thousand, seven hundred sixteen".