26170212005 has 32 divisors (see below), whose sum is σ = 36721382400. Its totient is φ = 17532732672.

The previous prime is 26170211981. The next prime is 26170212017. The reversal of 26170212005 is 50021207162.

It is not a de Polignac number, because 26170212005 - 2⁶ = 26170211941 is a prime.

It is a super-2 number, since 2×26170212005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 413831 + ... + 472859.

It is an arithmetic number, because the mean of its divisors is an integer number (1147543200).

Almost surely, 2^26170212005 is an apocalyptic number.

It is an amenable number.

26170212005 is a deficient number, since it is larger than the sum of its proper divisors (10551170395).

26170212005 is a wasteful number, since it uses less digits than its factorization.

26170212005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59333.

The product of its (nonzero) digits is 1680, while the sum is 26.

Adding to 26170212005 its reverse (50021207162), we get a palindrome (76191419167).

The spelling of 26170212005 in words is "twenty-six billion, one hundred seventy million, two hundred twelve thousand, five".