61498122189416 has 64 divisors (see below), whose sum is σ = 129128898643200. Its totient is φ = 27221767372800.

The previous prime is 61498122189403. The next prime is 61498122189419.

61498122189416 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (61498122189419) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60082265 + ... + 61097256.

It is an arithmetic number, because the mean of its divisors is an integer number (2017639041300).

Almost surely, 2^{61498122189416} is an apocalyptic number.

It is an amenable number.

61498122189416 is an abundant number, since it is smaller than the sum of its proper divisors (67630776453784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61498122189416 is a wasteful number, since it uses less digits than its factorization.

61498122189416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121179690 (or 121179686 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 62.

The spelling of 61498122189416 in words is "sixty-one trillion, four hundred ninety-eight billion, one hundred twenty-two million, one hundred eighty-nine thousand, four hundred sixteen".