10665653457 has 4 divisors (see below), whose sum is σ = 14220871280. Its totient is φ = 7110435636.

The previous prime is 10665653431. The next prime is 10665653461. The reversal of 10665653457 is 75435656601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 10665653457 - 2¹⁸ = 10665391313 is a prime.

It is a super-2 number, since 2×10665653457² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10665653407) 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, 1777608907 + ... + 1777608912.

It is an arithmetic number, because the mean of its divisors is an integer number (3555217820).

Almost surely, 2^10665653457 is an apocalyptic number.

It is an amenable number.

10665653457 is a deficient number, since it is larger than the sum of its proper divisors (3555217823).

10665653457 is an equidigital number, since it uses as much as digits as its factorization.

10665653457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555217822.

The product of its (nonzero) digits is 2268000, while the sum is 48.

The spelling of 10665653457 in words is "ten billion, six hundred sixty-five million, six hundred fifty-three thousand, four hundred fifty-seven".