657345542701 has 16 divisors (see below), whose sum is σ = 696313036800. Its totient is φ = 619247688048.

The previous prime is 657345542681. The next prime is 657345542729. The reversal of 657345542701 is 107245543756.

657345542701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 657345542701 - 2⁷ = 657345542573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (657345542761) 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, 7536820 + ... + 7623538.

It is an arithmetic number, because the mean of its divisors is an integer number (43519564800).

Almost surely, 2^657345542701 is an apocalyptic number.

It is an amenable number.

657345542701 is a deficient number, since it is larger than the sum of its proper divisors (38967494099).

657345542701 is a wasteful number, since it uses less digits than its factorization.

657345542701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91728.

The product of its (nonzero) digits is 3528000, while the sum is 49.

The spelling of 657345542701 in words is "six hundred fifty-seven billion, three hundred forty-five million, five hundred forty-two thousand, seven hundred one".