1066555051 has 8 divisors (see below), whose sum is σ = 1077783408. Its totient is φ = 1055340000.

The previous prime is 1066555043. The next prime is 1066555079. The reversal of 1066555051 is 1505556601.

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

It is a cyclic number.

It is not a de Polignac number, because 1066555051 - 2³ = 1066555043 is a prime.

It is a super-2 number, since 2×1066555051² = 2275079353627225202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1066554998 and 1066555016.

It is not an unprimeable number, because it can be changed into a prime (1066553051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287116 + ... + 290806.

It is an arithmetic number, because the mean of its divisors is an integer number (134722926).

Almost surely, 2^1066555051 is an apocalyptic number.

1066555051 is a deficient number, since it is larger than the sum of its proper divisors (11228357).

1066555051 is a wasteful number, since it uses less digits than its factorization.

1066555051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6653.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 1066555051 is about 32658.1544334642. The cubic root of 1066555051 is about 1021.7102702240.

The spelling of 1066555051 in words is "one billion, sixty-six million, five hundred fifty-five thousand, fifty-one".