1051666066 has 8 divisors (see below), whose sum is σ = 1720908144. Its totient is φ = 478030020.

The previous prime is 1051666061. The next prime is 1051666067. The reversal of 1051666066 is 6606661501.

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

It is a super-2 number, since 2×1051666066² = 2212003028751832712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1051666061) 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, 23901480 + ... + 23901523.

It is an arithmetic number, because the mean of its divisors is an integer number (215113518).

Almost surely, 2^1051666066 is an apocalyptic number.

1051666066 is a deficient number, since it is larger than the sum of its proper divisors (669242078).

1051666066 is a wasteful number, since it uses less digits than its factorization.

1051666066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47803016.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 1051666066 is about 32429.4012587343. The cubic root of 1051666066 is about 1016.9336547686.

The spelling of 1051666066 in words is "one billion, fifty-one million, six hundred sixty-six thousand, sixty-six".