10663734157657 has 4 divisors (see below), whose sum is σ = 12187124751616. Its totient is φ = 9140343563700.

The previous prime is 10663734157607. The next prime is 10663734157663. The reversal of 10663734157657 is 75675143736601.

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 a cyclic number.

It is not a de Polignac number, because 10663734157657 - 2²³ = 10663725769049 is a prime.

It is a super-2 number, since 2×10663734157657² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10663734157595 and 10663734157604.

It is not an unprimeable number, because it can be changed into a prime (10663734157607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761695296969 + ... + 761695296982.

It is an arithmetic number, because the mean of its divisors is an integer number (3046781187904).

Almost surely, 2^{10663734157657} is an apocalyptic number.

It is an amenable number.

10663734157657 is a deficient number, since it is larger than the sum of its proper divisors (1523390593959).

10663734157657 is an equidigital number, since it uses as much as digits as its factorization.

10663734157657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523390593958.

The product of its (nonzero) digits is 66679200, while the sum is 61.

The spelling of 10663734157657 in words is "ten trillion, six hundred sixty-three billion, seven hundred thirty-four million, one hundred fifty-seven thousand, six hundred fifty-seven".