26276654164 has 24 divisors (see below), whose sum is σ = 47144399400. Its totient is φ = 12807352320.

The previous prime is 26276654161. The next prime is 26276654171. The reversal of 26276654164 is 46145667262.

It can be written as a sum of positive squares in 4 ways, for example, as 2554493764 + 23722160400 = 50542^2 + 154020^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26276654161) 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, 136372 + ... + 266740.

It is an arithmetic number, because the mean of its divisors is an integer number (1964349975).

Almost surely, 2^26276654164 is an apocalyptic number.

It is an amenable number.

26276654164 is a deficient number, since it is larger than the sum of its proper divisors (20867745236).

26276654164 is a wasteful number, since it uses less digits than its factorization.

26276654164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131643 (or 131641 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 49.

The spelling of 26276654164 in words is "twenty-six billion, two hundred seventy-six million, six hundred fifty-four thousand, one hundred sixty-four".