61632370012 has 24 divisors (see below), whose sum is σ = 113541321600. Its totient is φ = 29192221296.

The previous prime is 61632370001. The next prime is 61632370073. The reversal of 61632370012 is 21007323616.

It is a congruent number.

It is an unprimeable number.

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, 1956039 + ... + 1987297.

It is an arithmetic number, because the mean of its divisors is an integer number (4730888400).

Almost surely, 2^61632370012 is an apocalyptic number.

It is an amenable number.

61632370012 is a deficient number, since it is larger than the sum of its proper divisors (51908951588).

61632370012 is a wasteful number, since it uses less digits than its factorization.

61632370012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57225 (or 57223 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

Adding to 61632370012 its reverse (21007323616), we get a palindrome (82639693628).

The spelling of 61632370012 in words is "sixty-one billion, six hundred thirty-two million, three hundred seventy thousand, twelve".