61067507996 has 24 divisors (see below), whose sum is σ = 118783116144. Its totient is φ = 27234222080.

The previous prime is 61067507971. The next prime is 61067507999. The reversal of 61067507996 is 69970576016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61067507999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13091045 + ... + 13095708.

It is an arithmetic number, because the mean of its divisors is an integer number (4949296506).

Almost surely, 2^61067507996 is an apocalyptic number.

It is an amenable number.

61067507996 is a deficient number, since it is larger than the sum of its proper divisors (57715608148).

61067507996 is a wasteful number, since it uses less digits than its factorization.

61067507996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26186821 (or 26186819 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 56.

The spelling of 61067507996 in words is "sixty-one billion, sixty-seven million, five hundred seven thousand, nine hundred ninety-six".