61516546222 has 64 divisors (see below), whose sum is σ = 101622755520. Its totient is φ = 27811897344.

The previous prime is 61516546207. The next prime is 61516546229. The reversal of 61516546222 is 22264561516.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61516546229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60726588 + ... + 60727600.

It is an arithmetic number, because the mean of its divisors is an integer number (1587855555).

Almost surely, 2^61516546222 is an apocalyptic number.

61516546222 is a deficient number, since it is larger than the sum of its proper divisors (40106209298).

61516546222 is a wasteful number, since it uses less digits than its factorization.

61516546222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1717.

The product of its digits is 172800, while the sum is 40.

The spelling of 61516546222 in words is "sixty-one billion, five hundred sixteen million, five hundred forty-six thousand, two hundred twenty-two".