26161401 has 8 divisors (see below), whose sum is σ = 39865024. Its totient is φ = 14949360.

The previous prime is 26161397. The next prime is 26161411. The reversal of 26161401 is 10416162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26161401 - 2² = 26161397 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 1245781 = 26161401 / (2 + 6 + 1 + 6 + 1 + 4 + 0 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26161411) 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, 622870 + ... + 622911.

It is an arithmetic number, because the mean of its divisors is an integer number (4983128).

Almost surely, 2^26161401 is an apocalyptic number.

26161401 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26161401 is a deficient number, since it is larger than the sum of its proper divisors (13703623).

26161401 is a wasteful number, since it uses less digits than its factorization.

26161401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245791.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 26161401 is about 5114.8216977721. The cubic root of 26161401 is about 296.8613553249.

Adding to 26161401 its reverse (10416162), we get a palindrome (36577563).

It can be divided in two parts, 26161 and 401, that added together give a palindrome (26562).

The spelling of 26161401 in words is "twenty-six million, one hundred sixty-one thousand, four hundred one".