66046051 has 2 divisors, whose sum is σ = 66046052. Its totient is φ = 66046050.

The previous prime is 66046049. The next prime is 66046061. The reversal of 66046051 is 15064066.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 66046051 - 2¹ = 66046049 is a prime.

Together with 66046049, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (66046031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33023025 + 33023026.

It is an arithmetic number, because the mean of its divisors is an integer number (33023026).

Almost surely, 2^66046051 is an apocalyptic number.

66046051 is a deficient number, since it is larger than the sum of its proper divisors (1).

66046051 is an equidigital number, since it uses as much as digits as its factorization.

66046051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 66046051 is about 8126.8721535410. The cubic root of 66046051 is about 404.2179716970.

The spelling of 66046051 in words is "sixty-six million, forty-six thousand, fifty-one".