26660103002 has 8 divisors (see below), whose sum is σ = 43066320276. Its totient is φ = 12304662912.

The previous prime is 26660102977. The next prime is 26660103007. The reversal of 26660103002 is 20030106662.

It can be written as a sum of positive squares in 2 ways, for example, as 23335312081 + 3324790921 = 152759^2 + 57661^2 .

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

It is a super-2 number, since 2×26660103002² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 1025388577 = 26660103002 / (2 + 6 + 6 + 6 + 0 + 1 + 0 + 3 + 0 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (26660103007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512694263 + ... + 512694314.

Almost surely, 2^26660103002 is an apocalyptic number.

26660103002 is a deficient number, since it is larger than the sum of its proper divisors (16406217274).

26660103002 is a wasteful number, since it uses less digits than its factorization.

26660103002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025388592.

The product of its (nonzero) digits is 2592, while the sum is 26.

Adding to 26660103002 its reverse (20030106662), we get a palindrome (46690209664).

The spelling of 26660103002 in words is "twenty-six billion, six hundred sixty million, one hundred three thousand, two".