61323566061 has 8 divisors (see below), whose sum is σ = 81766204384. Its totient is φ = 40881652560.

The previous prime is 61323565951. The next prime is 61323566089. The reversal of 61323566061 is 16066532316.

It is a happy number.

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

It is not a de Polignac number, because 61323566061 - 2¹¹ = 61323564013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61323566461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63366 + ... + 355896.

It is an arithmetic number, because the mean of its divisors is an integer number (10220775548).

Almost surely, 2^61323566061 is an apocalyptic number.

It is an amenable number.

61323566061 is a deficient number, since it is larger than the sum of its proper divisors (20442638323).

61323566061 is a wasteful number, since it uses less digits than its factorization.

61323566061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362411.

The product of its (nonzero) digits is 116640, while the sum is 39.

The spelling of 61323566061 in words is "sixty-one billion, three hundred twenty-three million, five hundred sixty-six thousand, sixty-one".