26063156661 has 8 divisors (see below), whose sum is σ = 35069691360. Its totient is φ = 17216029872.

The previous prime is 26063156599. The next prime is 26063156681. The reversal of 26063156661 is 16665136062.

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

It is not a de Polignac number, because 26063156661 - 2⁷ = 26063156533 is a prime.

It is a super-3 number, since 3×26063156661³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26063156681) 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, 39851595 + ... + 39852248.

It is an arithmetic number, because the mean of its divisors is an integer number (4383711420).

Almost surely, 2^26063156661 is an apocalyptic number.

It is an amenable number.

26063156661 is a deficient number, since it is larger than the sum of its proper divisors (9006534699).

26063156661 is a wasteful number, since it uses less digits than its factorization.

26063156661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79703955.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 26063156661 in words is "twenty-six billion, sixty-three million, one hundred fifty-six thousand, six hundred sixty-one".