26950161 has 32 divisors (see below), whose sum is σ = 42594048. Its totient is φ = 14837760.

The previous prime is 26950159. The next prime is 26950169. The reversal of 26950161 is 16105962.

It is not a de Polignac number, because 26950161 - 2¹ = 26950159 is a prime.

It is a super-2 number, since 2×26950161² = 1452622355851842, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (26950169) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 97155 + ... + 97431.

It is an arithmetic number, because the mean of its divisors is an integer number (1331064).

Almost surely, 2^26950161 is an apocalyptic number.

26950161 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26950161 is a deficient number, since it is larger than the sum of its proper divisors (15643887).

26950161 is a wasteful number, since it uses less digits than its factorization.

26950161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 26950161 is about 5191.3544475406. The cubic root of 26950161 is about 299.8152974176.

The spelling of 26950161 in words is "twenty-six million, nine hundred fifty thousand, one hundred sixty-one".