1066655506 has 32 divisors (see below), whose sum is σ = 1910937600. Its totient is φ = 436995216.

The previous prime is 1066655461. The next prime is 1066655509. The reversal of 1066655506 is 6055566601.

It is a super-2 number, since 2×1066655506² = 2275507936960232072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066655509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9445 + ... + 47143.

It is an arithmetic number, because the mean of its divisors is an integer number (59716800).

Almost surely, 2^1066655506 is an apocalyptic number.

1066655506 is a deficient number, since it is larger than the sum of its proper divisors (844282094).

1066655506 is a wasteful number, since it uses less digits than its factorization.

1066655506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37798.

The product of its (nonzero) digits is 162000, while the sum is 40.

The square root of 1066655506 is about 32659.6923745463. The cubic root of 1066655506 is about 1021.7423462939.

The spelling of 1066655506 in words is "one billion, sixty-six million, six hundred fifty-five thousand, five hundred six".