26600000190 has 128 divisors (see below), whose sum is σ = 68976230400. Its totient is φ = 6544702080.

The previous prime is 26600000179. The next prime is 26600000201. The reversal of 26600000190 is 9100000662.

It is an interprime number because it is at equal distance from previous prime (26600000179) and next prime (26600000201).

It is a super-2 number, since 2×26600000190² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26600000190.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3355051 + ... + 3362969.

It is an arithmetic number, because the mean of its divisors is an integer number (538876800).

Almost surely, 2^26600000190 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26600000190, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34488115200).

26600000190 is an abundant number, since it is smaller than the sum of its proper divisors (42376230210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26600000190 is a wasteful number, since it uses less digits than its factorization.

26600000190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8102.

The product of its (nonzero) digits is 648, while the sum is 24.

The spelling of 26600000190 in words is "twenty-six billion, six hundred million, one hundred ninety", and thus it is an aban number.