26620203156 has 96 divisors (see below), whose sum is σ = 68038924800. Its totient is φ = 8071539840.

The previous prime is 26620203143. The next prime is 26620203179. The reversal of 26620203156 is 65130202662.

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, 555426 + ... + 601446.

It is an arithmetic number, because the mean of its divisors is an integer number (708738800).

Almost surely, 2^26620203156 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 26620203156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34019462400).

26620203156 is an abundant number, since it is smaller than the sum of its proper divisors (41418721644).

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

26620203156 is a wasteful number, since it uses less digits than its factorization.

26620203156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46149 (or 46147 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

The spelling of 26620203156 in words is "twenty-six billion, six hundred twenty million, two hundred three thousand, one hundred fifty-six".