2065706070657 has 8 divisors (see below), whose sum is σ = 2756162549280. Its totient is φ = 1376193486240.

The previous prime is 2065706070647. The next prime is 2065706070677. The reversal of 2065706070657 is 7560706075602.

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

It is not a de Polignac number, because 2065706070657 - 2¹⁴ = 2065706054273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2065706070647) 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, 235968444 + ... + 235977197.

It is an arithmetic number, because the mean of its divisors is an integer number (344520318660).

Almost surely, 2^{2065706070657} is an apocalyptic number.

It is an amenable number.

2065706070657 is a deficient number, since it is larger than the sum of its proper divisors (690456478623).

2065706070657 is a wasteful number, since it uses less digits than its factorization.

2065706070657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471947103.

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 2065706070657 in words is "two trillion, sixty-five billion, seven hundred six million, seventy thousand, six hundred fifty-seven".