1655010066 has 8 divisors (see below), whose sum is σ = 3310020144. Its totient is φ = 551670020.

The previous prime is 1655010043. The next prime is 1655010109. The reversal of 1655010066 is 6600105561.

It is a sphenic number, since it is the product of 3 distinct primes.

1655010066 is an admirable number.

It is a super-2 number, since 2×1655010066² = 5478116637122648712, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137917500 + ... + 137917511.

It is an arithmetic number, because the mean of its divisors is an integer number (413752518).

Almost surely, 2^1655010066 is an apocalyptic number.

1655010066 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1655010066 is a wasteful number, since it uses less digits than its factorization.

1655010066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275835016.

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

The square root of 1655010066 is about 40681.8149300151. The cubic root of 1655010066 is about 1182.8605467149.

The spelling of 1655010066 in words is "one billion, six hundred fifty-five million, ten thousand, sixty-six".