1066651005 has 32 divisors (see below), whose sum is σ = 1969403904. Its totient is φ = 482872896.

The previous prime is 1066650997. The next prime is 1066651021. The reversal of 1066651005 is 5001566601.

It is not a de Polignac number, because 1066651005 - 2³ = 1066650997 is a prime.

It is a super-2 number, since 2×1066651005² = 2275488732935020050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38499 + ... + 60128.

It is an arithmetic number, because the mean of its divisors is an integer number (61543872).

Almost surely, 2^1066651005 is an apocalyptic number.

1066651005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1066651005 is a deficient number, since it is larger than the sum of its proper divisors (902752899).

1066651005 is a wasteful number, since it uses less digits than its factorization.

1066651005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98745.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 1066651005 is about 32659.6234669048. The cubic root of 1066651005 is about 1021.7409091324.

The spelling of 1066651005 in words is "one billion, sixty-six million, six hundred fifty-one thousand, five".