632541671657 has 16 divisors (see below), whose sum is σ = 725689527552. Its totient is φ = 540090953280.

The previous prime is 632541671627. The next prime is 632541671681. The reversal of 632541671657 is 756176145236.

It is a cyclic number.

It is not a de Polignac number, because 632541671657 - 2¹² = 632541667561 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 632541671599 and 632541671608.

It is not an unprimeable number, because it can be changed into a prime (632541671627) 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, 8477003 + ... + 8551295.

It is an arithmetic number, because the mean of its divisors is an integer number (45355595472).

Almost surely, 2^632541671657 is an apocalyptic number.

It is an amenable number.

632541671657 is a deficient number, since it is larger than the sum of its proper divisors (93147855895).

632541671657 is a wasteful number, since it uses less digits than its factorization.

632541671657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78968.

The product of its digits is 6350400, while the sum is 53.

The spelling of 632541671657 in words is "six hundred thirty-two billion, five hundred forty-one million, six hundred seventy-one thousand, six hundred fifty-seven".