26669000051 has 8 divisors (see below), whose sum is σ = 27246162240. Its totient is φ = 26092243648.

The previous prime is 26669000047. The next prime is 26669000063. The reversal of 26669000051 is 15000096662.

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 26669000051 - 2² = 26669000047 is a prime.

It is a super-2 number, since 2×26669000051² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26668999975 and 26669000020.

It is not an unprimeable number, because it can be changed into a prime (26669000021) 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, 33335 + ... + 233343.

It is an arithmetic number, because the mean of its divisors is an integer number (3405770280).

Almost surely, 2^26669000051 is an apocalyptic number.

26669000051 is a deficient number, since it is larger than the sum of its proper divisors (577162189).

26669000051 is a wasteful number, since it uses less digits than its factorization.

26669000051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202893.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 26669000051 in words is "twenty-six billion, six hundred sixty-nine million, fifty-one", and thus it is an aban number.