26164551 has 16 divisors (see below), whose sum is σ = 39965184. Its totient is φ = 14915424.

The previous prime is 26164543. The next prime is 26164573. The reversal of 26164551 is 15546162.

It is not a de Polignac number, because 26164551 - 2³ = 26164543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26164591) 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, 9325 + ... + 11801.

It is an arithmetic number, because the mean of its divisors is an integer number (2497824).

Almost surely, 2^26164551 is an apocalyptic number.

26164551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

26164551 is a deficient number, since it is larger than the sum of its proper divisors (13800633).

26164551 is a wasteful number, since it uses less digits than its factorization.

26164551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2990.

The product of its digits is 7200, while the sum is 30.

The square root of 26164551 is about 5115.1296171260. The cubic root of 26164551 is about 296.8732695153.

The spelling of 26164551 in words is "twenty-six million, one hundred sixty-four thousand, five hundred fifty-one".