2067700657 has 8 divisors (see below), whose sum is σ = 2303667072. Its totient is φ = 1839733200.

The previous prime is 2067700639. The next prime is 2067700681. The reversal of 2067700657 is 7560077602.

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

It is a cyclic number.

It is not a de Polignac number, because 2067700657 - 2¹¹ = 2067698609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2067700057) 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, 1999194 + ... + 2000227.

It is an arithmetic number, because the mean of its divisors is an integer number (287958384).

Almost surely, 2^2067700657 is an apocalyptic number.

It is an amenable number.

2067700657 is a deficient number, since it is larger than the sum of its proper divisors (235966415).

2067700657 is a wasteful number, since it uses less digits than its factorization.

2067700657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999479.

The product of its (nonzero) digits is 123480, while the sum is 40.

The square root of 2067700657 is about 45471.9766119750. The cubic root of 2067700657 is about 1273.9798389902.

The spelling of 2067700657 in words is "two billion, sixty-seven million, seven hundred thousand, six hundred fifty-seven".