26161172 has 6 divisors (see below), whose sum is σ = 45782058. Its totient is φ = 13080584.

The previous prime is 26161169. The next prime is 26161207. The reversal of 26161172 is 27116162.

It can be written as a sum of positive squares in only one way, i.e., 18957316 + 7203856 = 4354^2 + 2684^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3270143 + ... + 3270150.

It is an arithmetic number, because the mean of its divisors is an integer number (7630343).

Almost surely, 2^26161172 is an apocalyptic number.

It is an amenable number.

26161172 is a deficient number, since it is larger than the sum of its proper divisors (19620886).

26161172 is a wasteful number, since it uses less digits than its factorization.

26161172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6540297 (or 6540295 counting only the distinct ones).

The product of its digits is 1008, while the sum is 26.

The square root of 26161172 is about 5114.7993118010. The cubic root of 26161172 is about 296.8604891448.

The spelling of 26161172 in words is "twenty-six million, one hundred sixty-one thousand, one hundred seventy-two".