61319123672 has 16 divisors (see below), whose sum is σ = 114986810400. Its totient is φ = 30655974240.

The previous prime is 61319123651. The next prime is 61319123699. The reversal of 61319123672 is 27632191316.

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 3 ways as a sum of consecutive naturals, for example, 375104 + ... + 513167.

It is an arithmetic number, because the mean of its divisors is an integer number (7186675650).

Almost surely, 2^61319123672 is an apocalyptic number.

It is an amenable number.

61319123672 is a deficient number, since it is larger than the sum of its proper divisors (53667686728).

61319123672 is a wasteful number, since it uses less digits than its factorization.

61319123672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896906 (or 896902 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The spelling of 61319123672 in words is "sixty-one billion, three hundred nineteen million, one hundred twenty-three thousand, six hundred seventy-two".