266103061 has 4 divisors (see below), whose sum is σ = 304117792. Its totient is φ = 228088332.

The previous prime is 266103053. The next prime is 266103067. The reversal of 266103061 is 160301662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 160301662 = 2 ⋅80150831.

It is a cyclic number.

It is not a de Polignac number, because 266103061 - 2³ = 266103053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (266103067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19007355 + ... + 19007368.

It is an arithmetic number, because the mean of its divisors is an integer number (76029448).

Almost surely, 2^266103061 is an apocalyptic number.

It is an amenable number.

266103061 is a deficient number, since it is larger than the sum of its proper divisors (38014731).

266103061 is an equidigital number, since it uses as much as digits as its factorization.

266103061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38014730.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 266103061 is about 16312.6656619941. The cubic root of 266103061 is about 643.2058071535.

The spelling of 266103061 in words is "two hundred sixty-six million, one hundred three thousand, sixty-one".