61404116516562 has 16 divisors (see below), whose sum is σ = 124362767629440. Its totient is φ = 20208949739472.

The previous prime is 61404116516461. The next prime is 61404116516593. The reversal of 61404116516562 is 26561561140416.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64772274333 + ... + 64772275280.

It is an arithmetic number, because the mean of its divisors is an integer number (7772672976840).

Almost surely, 2^{61404116516562} is an apocalyptic number.

61404116516562 is an abundant number, since it is smaller than the sum of its proper divisors (62958651112878).

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

61404116516562 is a wasteful number, since it uses less digits than its factorization.

61404116516562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129544549697.

The product of its (nonzero) digits is 1036800, while the sum is 48.

Adding to 61404116516562 its reverse (26561561140416), we get a palindrome (87965677656978).

The spelling of 61404116516562 in words is "sixty-one trillion, four hundred four billion, one hundred sixteen million, five hundred sixteen thousand, five hundred sixty-two".