655166051 has 8 divisors (see below), whose sum is σ = 660350880. Its totient is φ = 649997632.

The previous prime is 655166027. The next prime is 655166053. The reversal of 655166051 is 150661556.

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

It is a cyclic number.

It is not a de Polignac number, because 655166051 - 2¹⁴ = 655149667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (655166053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83255 + ... + 90783.

It is an arithmetic number, because the mean of its divisors is an integer number (82543860).

Almost surely, 2^655166051 is an apocalyptic number.

655166051 is a deficient number, since it is larger than the sum of its proper divisors (5184829).

655166051 is a wasteful number, since it uses less digits than its factorization.

655166051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8205.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 655166051 is about 25596.2116532896. The cubic root of 655166051 is about 868.5279422380.

The spelling of 655166051 in words is "six hundred fifty-five million, one hundred sixty-six thousand, fifty-one".