688160006941 has 4 divisors (see below), whose sum is σ = 750720007584. Its totient is φ = 625600006300.

The previous prime is 688160006921. The next prime is 688160006971. The reversal of 688160006941 is 149600061886.

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 688160006941 - 2¹¹ = 688160004893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (688160006921) 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, 31280000305 + ... + 31280000326.

It is an arithmetic number, because the mean of its divisors is an integer number (187680001896).

Almost surely, 2^688160006941 is an apocalyptic number.

It is an amenable number.

688160006941 is a deficient number, since it is larger than the sum of its proper divisors (62560000643).

688160006941 is a wasteful number, since it uses less digits than its factorization.

688160006941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62560000642.

The product of its (nonzero) digits is 497664, while the sum is 49.

The spelling of 688160006941 in words is "six hundred eighty-eight billion, one hundred sixty million, six thousand, nine hundred forty-one".