1266162351 has 32 divisors (see below), whose sum is σ = 1786987008. Its totient is φ = 795864960.

The previous prime is 1266162349. The next prime is 1266162353. The reversal of 1266162351 is 1532616621.

It is an interprime number because it is at equal distance from previous prime (1266162349) and next prime (1266162353).

It is not a de Polignac number, because 1266162351 - 2¹ = 1266162349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1266162353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2340141 + ... + 2340681.

It is an arithmetic number, because the mean of its divisors is an integer number (55843344).

Almost surely, 2^1266162351 is an apocalyptic number.

1266162351 is a deficient number, since it is larger than the sum of its proper divisors (520824657).

1266162351 is a wasteful number, since it uses less digits than its factorization.

1266162351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 991.

The product of its digits is 12960, while the sum is 33.

The square root of 1266162351 is about 35583.1751112798. The cubic root of 1266162351 is about 1081.8402413541.

Adding to 1266162351 its reverse (1532616621), we get a palindrome (2798778972).

The spelling of 1266162351 in words is "one billion, two hundred sixty-six million, one hundred sixty-two thousand, three hundred fifty-one".