26667473616 has 160 divisors (see below), whose sum is σ = 87542174720. Its totient is φ = 7613917056.

The previous prime is 26667473563. The next prime is 26667473627. The reversal of 26667473616 is 61637476662.

It is a super-2 number, since 2×26667473616² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6659871 + ... + 6663873.

It is an arithmetic number, because the mean of its divisors is an integer number (547138592).

Almost surely, 2^26667473616 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 26667473616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43771087360).

26667473616 is an abundant number, since it is smaller than the sum of its proper divisors (60874701104).

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

26667473616 is a wasteful number, since it uses less digits than its factorization.

26667473616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6230 (or 6218 counting only the distinct ones).

The product of its digits is 9144576, while the sum is 54.

The spelling of 26667473616 in words is "twenty-six billion, six hundred sixty-seven million, four hundred seventy-three thousand, six hundred sixteen".