1066056651 has 12 divisors (see below), whose sum is σ = 1679847000. Its totient is φ = 646094880.

The previous prime is 1066056643. The next prime is 1066056661. The reversal of 1066056651 is 1566506601.

It is not a de Polignac number, because 1066056651 - 2³ = 1066056643 is a prime.

It is a super-2 number, since 2×1066056651² = 2272953566282671602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066056661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5384026 + ... + 5384223.

It is an arithmetic number, because the mean of its divisors is an integer number (139987250).

Almost surely, 2^1066056651 is an apocalyptic number.

1066056651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1066056651 is a deficient number, since it is larger than the sum of its proper divisors (613790349).

1066056651 is a wasteful number, since it uses less digits than its factorization.

1066056651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10768266 (or 10768263 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 1066056651 is about 32650.5229820289. The cubic root of 1066056651 is about 1021.5510973999.

The spelling of 1066056651 in words is "one billion, sixty-six million, fifty-six thousand, six hundred fifty-one".