26165636428 has 24 divisors (see below), whose sum is σ = 50047369344. Its totient is φ = 11916038400.

The previous prime is 26165636423. The next prime is 26165636437. The reversal of 26165636428 is 82463656162.

It is not an unprimeable number, because it can be changed into a prime (26165636423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6204163 + ... + 6208378.

It is an arithmetic number, because the mean of its divisors is an integer number (2085307056).

Almost surely, 2^26165636428 is an apocalyptic number.

It is an amenable number.

26165636428 is a deficient number, since it is larger than the sum of its proper divisors (23881732916).

26165636428 is a wasteful number, since it uses less digits than its factorization.

26165636428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12412593 (or 12412591 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 49.

The spelling of 26165636428 in words is "twenty-six billion, one hundred sixty-five million, six hundred thirty-six thousand, four hundred twenty-eight".