1006650561 has 24 divisors (see below), whose sum is σ = 1562639040. Its totient is φ = 574748832.

The previous prime is 1006650517. The next prime is 1006650587. The reversal of 1006650561 is 1650566001.

It is not a de Polignac number, because 1006650561 - 2¹⁴ = 1006634177 is a prime.

It is a super-2 number, since 2×1006650561² = 2026690703923229442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1006650961) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 249220 + ... + 253226.

It is an arithmetic number, because the mean of its divisors is an integer number (65109960).

Almost surely, 2^1006650561 is an apocalyptic number.

It is an amenable number.

1006650561 is a deficient number, since it is larger than the sum of its proper divisors (555988479).

1006650561 is a wasteful number, since it uses less digits than its factorization.

1006650561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733 (or 5726 counting only the distinct ones).

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

The square root of 1006650561 is about 31727.7569487665. The cubic root of 1006650561 is about 1002.2119573040.

The spelling of 1006650561 in words is "one billion, six million, six hundred fifty thousand, five hundred sixty-one".