4551680657 has 16 divisors (see below), whose sum is σ = 5032564992. Its totient is φ = 4094745600.

The previous prime is 4551680629. The next prime is 4551680659. The reversal of 4551680657 is 7560861554.

It is a cyclic number.

It is not a de Polignac number, because 4551680657 - 2⁶ = 4551680593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4551680659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691532 + ... + 698082.

It is an arithmetic number, because the mean of its divisors is an integer number (314535312).

Almost surely, 2^4551680657 is an apocalyptic number.

It is an amenable number.

4551680657 is a deficient number, since it is larger than the sum of its proper divisors (480884335).

4551680657 is a wasteful number, since it uses less digits than its factorization.

4551680657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8368.

The product of its (nonzero) digits is 1008000, while the sum is 47.

The square root of 4551680657 is about 67466.1445244947. The cubic root of 4551680657 is about 1657.2597963140.

The spelling of 4551680657 in words is "four billion, five hundred fifty-one million, six hundred eighty thousand, six hundred fifty-seven".