26020145663 has 8 divisors (see below), whose sum is σ = 27153294336. Its totient is φ = 24887150200.

The previous prime is 26020145537. The next prime is 26020145693. The reversal of 26020145663 is 36654102062.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26020145663 - 2¹⁰ = 26020144639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26020145693) 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, 431498 + ... + 488088.

It is an arithmetic number, because the mean of its divisors is an integer number (3394161792).

Almost surely, 2^26020145663 is an apocalyptic number.

26020145663 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

26020145663 is a deficient number, since it is larger than the sum of its proper divisors (1133148673).

26020145663 is a wasteful number, since it uses less digits than its factorization.

26020145663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76605.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 26020145663 in words is "twenty-six billion, twenty million, one hundred forty-five thousand, six hundred sixty-three".