61516434205222 has 8 divisors (see below), whose sum is σ = 92302353104472. Its totient is φ = 30748983170400.

The previous prime is 61516434205217. The next prime is 61516434205223. The reversal of 61516434205222 is 22250243461516.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61516434205223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4616957779 + ... + 4616971102.

It is an arithmetic number, because the mean of its divisors is an integer number (11537794138059).

Almost surely, 2^{61516434205222} is an apocalyptic number.

61516434205222 is a deficient number, since it is larger than the sum of its proper divisors (30785918899250).

61516434205222 is a wasteful number, since it uses less digits than its factorization.

61516434205222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9233932214.

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 61516434205222 its reverse (22250243461516), we get a palindrome (83766677666738).

The spelling of 61516434205222 in words is "sixty-one trillion, five hundred sixteen billion, four hundred thirty-four million, two hundred five thousand, two hundred twenty-two".