266100093 has 16 divisors (see below), whose sum is σ = 450540160. Its totient is φ = 152057088.

The previous prime is 266100077. The next prime is 266100097. The reversal of 266100093 is 390001662.

It is a happy number.

It is not a de Polignac number, because 266100093 - 2⁴ = 266100077 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266100097) 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, 703780 + ... + 704157.

It is an arithmetic number, because the mean of its divisors is an integer number (28158760).

Almost surely, 2^266100093 is an apocalyptic number.

It is an amenable number.

266100093 is a deficient number, since it is larger than the sum of its proper divisors (184440067).

266100093 is a wasteful number, since it uses less digits than its factorization.

266100093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1407953 (or 1407947 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 266100093 is about 16312.5746894842. The cubic root of 266100093 is about 643.2034157969.

The spelling of 266100093 in words is "two hundred sixty-six million, one hundred thousand, ninety-three".