1266164133 has 16 divisors (see below), whose sum is σ = 1819319040. Its totient is φ = 778647744.

The previous prime is 1266164101. The next prime is 1266164147. The reversal of 1266164133 is 3314616621.

It is not a de Polignac number, because 1266164133 - 2⁵ = 1266164101 is a prime.

It is a super-2 number, since 2×1266164133² = 3206343223391283378, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1266164094 and 1266164103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266164533) 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, 51483 + ... + 71991.

It is an arithmetic number, because the mean of its divisors is an integer number (113707440).

Almost surely, 2^1266164133 is an apocalyptic number.

1266164133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1266164133 is a deficient number, since it is larger than the sum of its proper divisors (553154907).

1266164133 is a wasteful number, since it uses less digits than its factorization.

1266164133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22108.

The product of its digits is 15552, while the sum is 33.

The square root of 1266164133 is about 35583.2001511949. The cubic root of 1266164133 is about 1081.8407488820.

The spelling of 1266164133 in words is "one billion, two hundred sixty-six million, one hundred sixty-four thousand, one hundred thirty-three".