26075428164 has 288 divisors, whose sum is σ = 75501404160. Its totient is φ = 7544275200.

The previous prime is 26075428153. The next prime is 26075428177. The reversal of 26075428164 is 46182457062.

26075428164 is a `hidden beast` number, since 2 + 60 + 7 + 5 + 428 + 164 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61936674 + ... + 61937094.

Almost surely, 2^26075428164 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 26075428164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37750702080).

26075428164 is an abundant number, since it is smaller than the sum of its proper divisors (49425975996).

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

26075428164 is a wasteful number, since it uses less digits than its factorization.

26075428164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631 (or 626 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 26075428164 in words is "twenty-six billion, seventy-five million, four hundred twenty-eight thousand, one hundred sixty-four".