66057741 has 8 divisors (see below), whose sum is σ = 97863360. Its totient is φ = 44038476.

The previous prime is 66057731. The next prime is 66057743. The reversal of 66057741 is 14775066.

66057741 is a `hidden beast` number, since 6 + 605 + 7 + 7 + 41 = 666.

It is not a de Polignac number, because 66057741 - 2⁵ = 66057709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66057696 and 66057705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66057743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1223265 + ... + 1223318.

It is an arithmetic number, because the mean of its divisors is an integer number (12232920).

Almost surely, 2^66057741 is an apocalyptic number.

It is an amenable number.

66057741 is a deficient number, since it is larger than the sum of its proper divisors (31805619).

66057741 is a wasteful number, since it uses less digits than its factorization.

66057741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2446592 (or 2446586 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 66057741 is about 8127.5913406125. The cubic root of 66057741 is about 404.2418188424.

The spelling of 66057741 in words is "sixty-six million, fifty-seven thousand, seven hundred forty-one".