61067566550 has 48 divisors (see below), whose sum is σ = 119607552960. Its totient is φ = 23132939040.

The previous prime is 61067566543. The next prime is 61067566603. The reversal of 61067566550 is 5566576016.

It is a junction number, because it is equal to n+sod(n) for n = 61067566495 and 61067566504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2994689 + ... + 3015011.

It is an arithmetic number, because the mean of its divisors is an integer number (2491824020).

Almost surely, 2^61067566550 is an apocalyptic number.

61067566550 is a deficient number, since it is larger than the sum of its proper divisors (58539986410).

61067566550 is a wasteful number, since it uses less digits than its factorization.

61067566550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23517 (or 23512 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 47.

The spelling of 61067566550 in words is "sixty-one billion, sixty-seven million, five hundred sixty-six thousand, five hundred fifty".