1066351551 has 8 divisors (see below), whose sum is σ = 1423316784. Its totient is φ = 710143680.

The previous prime is 1066351549. The next prime is 1066351577. The reversal of 1066351551 is 1551536601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1066351551 - 2¹ = 1066351549 is a prime.

It is a super-2 number, since 2×1066351551² = 2274211260640211202, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066351511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186046 + ... + 191691.

It is an arithmetic number, because the mean of its divisors is an integer number (177914598).

Almost surely, 2^1066351551 is an apocalyptic number.

1066351551 is a deficient number, since it is larger than the sum of its proper divisors (356965233).

1066351551 is an equidigital number, since it uses as much as digits as its factorization.

1066351551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378681.

The product of its (nonzero) digits is 13500, while the sum is 33.

The square root of 1066351551 is about 32655.0386770556. The cubic root of 1066351551 is about 1021.6452849037.

The spelling of 1066351551 in words is "one billion, sixty-six million, three hundred fifty-one thousand, five hundred fifty-one".