26161849 has 16 divisors (see below), whose sum is σ = 31102848. Its totient is φ = 21537792.

The previous prime is 26161831. The next prime is 26161859. The reversal of 26161849 is 94816162.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26161849 - 2¹¹ = 26159801 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (26161859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20889 + ... + 22105.

It is an arithmetic number, because the mean of its divisors is an integer number (1943928).

Almost surely, 2^26161849 is an apocalyptic number.

It is an amenable number.

26161849 is a deficient number, since it is larger than the sum of its proper divisors (4940999).

26161849 is a wasteful number, since it uses less digits than its factorization.

26161849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344.

The product of its digits is 20736, while the sum is 37.

The square root of 26161849 is about 5114.8654918776. The cubic root of 26161849 is about 296.8630498458.

It can be divided in two parts, 2616 and 1849, that added together give a triangular number (4465 = T₉₄).

The spelling of 26161849 in words is "twenty-six million, one hundred sixty-one thousand, eight hundred forty-nine".