26487016168 has 8 divisors (see below), whose sum is σ = 49663155330. Its totient is φ = 13243508080.

The previous prime is 26487016163. The next prime is 26487016183. The reversal of 26487016168 is 86161078462.

It can be written as a sum of positive squares in only one way, i.e., 20068122244 + 6418893924 = 141662^2 + 80118^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (26487016163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1655438503 + ... + 1655438518.

Almost surely, 2^26487016168 is an apocalyptic number.

It is an amenable number.

26487016168 is a deficient number, since it is larger than the sum of its proper divisors (23176139162).

26487016168 is a wasteful number, since it uses less digits than its factorization.

26487016168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3310877027 (or 3310877023 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 49.

The spelling of 26487016168 in words is "twenty-six billion, four hundred eighty-seven million, sixteen thousand, one hundred sixty-eight".