61428082416 has 40 divisors (see below), whose sum is σ = 165588746880. Its totient is φ = 19585765056.

The previous prime is 61428082381. The next prime is 61428082477.

61428082416 is nontrivially palindromic in base 10.

61428082416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 27819586 + ... + 27821793.

It is an arithmetic number, because the mean of its divisors is an integer number (4139718672).

Almost surely, 2^61428082416 is an apocalyptic number.

It is an amenable number.

61428082416 is an abundant number, since it is smaller than the sum of its proper divisors (104160664464).

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

61428082416 is a wasteful number, since it uses less digits than its factorization.

61428082416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55641413 (or 55641407 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

It can be divided in two parts, 614280 and 82416, that added together give a palindrome (696696).

The spelling of 61428082416 in words is "sixty-one billion, four hundred twenty-eight million, eighty-two thousand, four hundred sixteen".