61416260788628 has 6 divisors (see below), whose sum is σ = 107478456380106. Its totient is φ = 30708130394312.

The previous prime is 61416260788607. The next prime is 61416260788699. The reversal of 61416260788628 is 82688706261416.

It can be written as a sum of positive squares in only one way, i.e., 32746640011024 + 28669620777604 = 5722468^2 + 5354402^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7677032598575 + ... + 7677032598582.

It is an arithmetic number, because the mean of its divisors is an integer number (17913076063351).

Almost surely, 2^{61416260788628} is an apocalyptic number.

It is an amenable number.

61416260788628 is a deficient number, since it is larger than the sum of its proper divisors (46062195591478).

61416260788628 is a wasteful number, since it uses less digits than its factorization.

61416260788628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15354065197161 (or 15354065197159 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 65.

It can be divided in two parts, 61416260788 and 628, that added together give a palindrome (61416261416).

The spelling of 61416260788628 in words is "sixty-one trillion, four hundred sixteen billion, two hundred sixty million, seven hundred eighty-eight thousand, six hundred twenty-eight".