10216547657 has 4 divisors (see below), whose sum is σ = 10218359316. Its totient is φ = 10214736000.

The previous prime is 10216547651. The next prime is 10216547659. The reversal of 10216547657 is 75674561201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75674561201 = 1291 ⋅58617011.

It can be written as a sum of positive squares in 2 ways, for example, as 730566841 + 9485980816 = 27029^2 + 97396^2 .

It is a cyclic number.

It is not a de Polignac number, because 10216547657 - 2⁸ = 10216547401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10216547651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 897344 + ... + 908657.

It is an arithmetic number, because the mean of its divisors is an integer number (2554589829).

Almost surely, 2^10216547657 is an apocalyptic number.

It is an amenable number.

10216547657 is a deficient number, since it is larger than the sum of its proper divisors (1811659).

10216547657 is an equidigital number, since it uses as much as digits as its factorization.

10216547657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811658.

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 10216547657 in words is "ten billion, two hundred sixteen million, five hundred forty-seven thousand, six hundred fifty-seven".