26736812016 has 80 divisors (see below), whose sum is σ = 73418184864. Its totient is φ = 8355315712.

The previous prime is 26736811993. The next prime is 26736812021. The reversal of 26736812016 is 61021863762.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145966 + ... + 273458.

Almost surely, 2^26736812016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26736812016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36709092432).

26736812016 is an abundant number, since it is smaller than the sum of its proper divisors (46681372848).

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

26736812016 is a wasteful number, since it uses less digits than its factorization.

26736812016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127778 (or 127772 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 26736812016 in words is "twenty-six billion, seven hundred thirty-six million, eight hundred twelve thousand, sixteen".