61426862416 has 40 divisors (see below), whose sum is σ = 126033183360. Its totient is φ = 28902680064.

The previous prime is 61426862407. The next prime is 61426862417.

61426862416 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61426862417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2883195 + ... + 2904421.

It is an arithmetic number, because the mean of its divisors is an integer number (3150829584).

Almost surely, 2^61426862416 is an apocalyptic number.

It is an amenable number.

61426862416 is an abundant number, since it is smaller than the sum of its proper divisors (64606320944).

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

61426862416 is a wasteful number, since it uses less digits than its factorization.

61426862416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31891 (or 31885 counting only the distinct ones).

The product of its digits is 663552, while the sum is 46.

The spelling of 61426862416 in words is "sixty-one billion, four hundred twenty-six million, eight hundred sixty-two thousand, four hundred sixteen".