1066650207 has 16 divisors (see below), whose sum is σ = 1628393472. Its totient is φ = 608381280.

The previous prime is 1066650199. The next prime is 1066650257. The reversal of 1066650207 is 7020566601.

It is not a de Polignac number, because 1066650207 - 2³ = 1066650199 is a prime.

It is a super-2 number, since 2×1066650207² = 2275485328186285698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066650257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35583 + ... + 58304.

It is an arithmetic number, because the mean of its divisors is an integer number (101774592).

Almost surely, 2^1066650207 is an apocalyptic number.

1066650207 is a deficient number, since it is larger than the sum of its proper divisors (561743265).

1066650207 is an equidigital number, since it uses as much as digits as its factorization.

1066650207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94438.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1066650207 is about 32659.6112499828. The cubic root of 1066650207 is about 1021.7406543319.

The spelling of 1066650207 in words is "one billion, sixty-six million, six hundred fifty thousand, two hundred seven".