7557634161697 has 4 divisors (see below), whose sum is σ = 7886226951360. Its totient is φ = 7229041372036.

The previous prime is 7557634161691. The next prime is 7557634161709. The reversal of 7557634161697 is 7961614367557.

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 a de Polignac number, because none of the positive numbers 2^k-7557634161697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7557634161691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164296394797 + ... + 164296394842.

It is an arithmetic number, because the mean of its divisors is an integer number (1971556737840).

Almost surely, 2^{7557634161697} is an apocalyptic number.

It is an amenable number.

7557634161697 is a deficient number, since it is larger than the sum of its proper divisors (328592789663).

7557634161697 is a wasteful number, since it uses less digits than its factorization.

7557634161697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328592789662.

The product of its digits is 200037600, while the sum is 67.

The spelling of 7557634161697 in words is "seven trillion, five hundred fifty-seven billion, six hundred thirty-four million, one hundred sixty-one thousand, six hundred ninety-seven".