66741051 has 16 divisors (see below), whose sum is σ = 96074496. Its totient is φ = 40968096.

The previous prime is 66741023. The next prime is 66741079. The reversal of 66741051 is 15014766.

It is an interprime number because it is at equal distance from previous prime (66741023) and next prime (66741079).

It is not a de Polignac number, because 66741051 - 2⁵ = 66741019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66741251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15346 + ... + 19208.

It is an arithmetic number, because the mean of its divisors is an integer number (6004656).

Almost surely, 2^66741051 is an apocalyptic number.

66741051 is a deficient number, since it is larger than the sum of its proper divisors (29333445).

66741051 is a wasteful number, since it uses less digits than its factorization.

66741051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 66741051 is about 8169.5196309208. The cubic root of 66741051 is about 405.6308838315.

The spelling of 66741051 in words is "sixty-six million, seven hundred forty-one thousand, fifty-one".