1006645662 has 24 divisors (see below), whose sum is σ = 2379344760. Its totient is φ = 305044080.

The previous prime is 1006645583. The next prime is 1006645681. The reversal of 1006645662 is 2665466001.

It is a happy number.

1006645662 is a `hidden beast` number, since 1 + 0 + 0 + 6 + 645 + 6 + 6 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2541837 + ... + 2542232.

It is an arithmetic number, because the mean of its divisors is an integer number (99139365).

Almost surely, 2^1006645662 is an apocalyptic number.

1006645662 is an abundant number, since it is smaller than the sum of its proper divisors (1372699098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1006645662 is a wasteful number, since it uses less digits than its factorization.

1006645662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5084088 (or 5084085 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1006645662 is about 31727.6797449798. The cubic root of 1006645662 is about 1002.2103315017.

The spelling of 1006645662 in words is "one billion, six million, six hundred forty-five thousand, six hundred sixty-two".