61323667312 has 10 divisors (see below), whose sum is σ = 118814605448. Its totient is φ = 30661833648.

The previous prime is 61323667267. The next prime is 61323667369. The reversal of 61323667312 is 21376632316.

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 as a sum of consecutive naturals, namely, 1916364588 + ... + 1916364619.

Almost surely, 2^61323667312 is an apocalyptic number.

It is an amenable number.

61323667312 is a deficient number, since it is larger than the sum of its proper divisors (57490938136).

61323667312 is a wasteful number, since it uses less digits than its factorization.

61323667312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3832729215 (or 3832729209 counting only the distinct ones).

The product of its digits is 163296, while the sum is 40.

The spelling of 61323667312 in words is "sixty-one billion, three hundred twenty-three million, six hundred sixty-seven thousand, three hundred twelve".