26436203164 has 12 divisors (see below), whose sum is σ = 52872406384. Its totient is φ = 11329801344.

The previous prime is 26436203161. The next prime is 26436203173. The reversal of 26436203164 is 46130263462.

It is a happy number.

26436203164 is an admirable number.

It is a super-2 number, since 2×26436203164² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26436203161) 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, 472075029 + ... + 472075084.

Almost surely, 2^26436203164 is an apocalyptic number.

It is an amenable number.

26436203164 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26436203164 is a wasteful number, since it uses less digits than its factorization.

26436203164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944150124 (or 944150122 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 37.

The spelling of 26436203164 in words is "twenty-six billion, four hundred thirty-six million, two hundred three thousand, one hundred sixty-four".