61794472014916 has 81 divisors (see below), whose sum is σ = 117320466721437. Its totient is φ = 28474861914720.

The previous prime is 61794472014911. The next prime is 61794472014931. The reversal of 61794472014916 is 61941027449716.

The square root of 61794472014916 is 7860946.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 55294542160900 + 6499929854016 = 7436030^2 + 2549496^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61794472014911) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 11052487281 + ... + 11052492871.

Almost surely, 2^{61794472014916} is an apocalyptic number.

61794472014916 is the 7860946-th square number.

It is an amenable number.

61794472014916 is a deficient number, since it is larger than the sum of its proper divisors (55525994706521).

61794472014916 is an frugal number, since it uses more digits than its factorization.

61794472014916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11298 (or 5649 counting only the distinct ones).

The product of its (nonzero) digits is 18289152, while the sum is 61.

The spelling of 61794472014916 in words is "sixty-one trillion, seven hundred ninety-four billion, four hundred seventy-two million, fourteen thousand, nine hundred sixteen".