61323566071 has 8 divisors (see below), whose sum is σ = 64818974000. Its totient is φ = 57854943360.

The previous prime is 61323565951. The next prime is 61323566089. The reversal of 61323566071 is 17066532316.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61323566071 - 2¹⁹ = 61323041783 is a prime.

It is a super-3 number, since 3×61323566071³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61323566371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6691596 + ... + 6700753.

It is an arithmetic number, because the mean of its divisors is an integer number (8102371750).

Almost surely, 2^61323566071 is an apocalyptic number.

61323566071 is a deficient number, since it is larger than the sum of its proper divisors (3495407929).

61323566071 is a wasteful number, since it uses less digits than its factorization.

61323566071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13392609.

The product of its (nonzero) digits is 136080, while the sum is 40.

The spelling of 61323566071 in words is "sixty-one billion, three hundred twenty-three million, five hundred sixty-six thousand, seventy-one".