61353220976 has 20 divisors (see below), whose sum is σ = 118877641344. Its totient is φ = 30675120000.

The previous prime is 61353220919. The next prime is 61353220987. The reversal of 61353220976 is 67902235316.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 295601 + ... + 458351.

Almost surely, 2^61353220976 is an apocalyptic number.

It is an amenable number.

61353220976 is a deficient number, since it is larger than the sum of its proper divisors (57524420368).

61353220976 is a wasteful number, since it uses less digits than its factorization.

61353220976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186320 (or 186314 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 44.

The spelling of 61353220976 in words is "sixty-one billion, three hundred fifty-three million, two hundred twenty thousand, nine hundred seventy-six".