26206662064 has 60 divisors (see below), whose sum is σ = 55854610840. Its totient is φ = 11902809600.

The previous prime is 26206662059. The next prime is 26206662073. The reversal of 26206662064 is 46026660262.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2878159 + ... + 2887249.

Almost surely, 2^26206662064 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 26206662064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27927305420).

26206662064 is an abundant number, since it is smaller than the sum of its proper divisors (29647948776).

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

26206662064 is a wasteful number, since it uses less digits than its factorization.

26206662064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10610 (or 10593 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 26206662064 in words is "twenty-six billion, two hundred six million, six hundred sixty-two thousand, sixty-four".