1066151251 has 4 divisors (see below), whose sum is σ = 1163074104. Its totient is φ = 969228400.

The previous prime is 1066151239. The next prime is 1066151257. The reversal of 1066151251 is 1521516601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1066151251 - 2⁹ = 1066150739 is a prime.

It is a super-2 number, since 2×1066151251² = 2273356980017730002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1066151257) 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 3 ways as a sum of consecutive naturals, for example, 48461410 + ... + 48461431.

It is an arithmetic number, because the mean of its divisors is an integer number (290768526).

Almost surely, 2^1066151251 is an apocalyptic number.

1066151251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1066151251 is a deficient number, since it is larger than the sum of its proper divisors (96922853).

1066151251 is an equidigital number, since it uses as much as digits as its factorization.

1066151251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96922852.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 1066151251 is about 32651.9716250030. The cubic root of 1066151251 is about 1021.5813133912.

Adding to 1066151251 its reverse (1521516601), we get a palindrome (2587667852).

The spelling of 1066151251 in words is "one billion, sixty-six million, one hundred fifty-one thousand, two hundred fifty-one".