26616289416 has 16 divisors (see below), whose sum is σ = 66540723600. Its totient is φ = 8872096464.

The previous prime is 26616289307. The next prime is 26616289423. The reversal of 26616289416 is 61498261662.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554506006 + ... + 554506053.

It is an arithmetic number, because the mean of its divisors is an integer number (4158795225).

Almost surely, 2^26616289416 is an apocalyptic number.

It is an amenable number.

26616289416 is an abundant number, since it is smaller than the sum of its proper divisors (39924434184).

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

26616289416 is a wasteful number, since it uses less digits than its factorization.

26616289416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1109012068 (or 1109012064 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The spelling of 26616289416 in words is "twenty-six billion, six hundred sixteen million, two hundred eighty-nine thousand, four hundred sixteen".