66051 has 12 divisors (see below), whose sum is σ = 98280. Its totient is φ = 42720.

The previous prime is 66047. The next prime is 66067. The reversal of 66051 is 15066.

66051 is a `hidden beast` number, since 660 + 5 + 1 = 666.

It is not a de Polignac number, because 66051 - 2² = 66047 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 280 + ... + 458.

It is an arithmetic number, because the mean of its divisors is an integer number (8190).

2⁶⁶⁰⁵¹ is an apocalyptic number.

66051 is a deficient number, since it is larger than the sum of its proper divisors (32229).

66051 is a wasteful number, since it uses less digits than its factorization.

66051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 66051 is about 257.0038910211. The cubic root of 66051 is about 40.4228067808.

The spelling of 66051 in words is "sixty-six thousand, fifty-one".