668035127436 has 24 divisors (see below), whose sum is σ = 1573316377920. Its totient is φ = 220597269072.

The previous prime is 668035127423. The next prime is 668035127437. The reversal of 668035127436 is 634721530866.

It is not an unprimeable number, because it can be changed into a prime (668035127437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260137006 + ... + 260139573.

It is an arithmetic number, because the mean of its divisors is an integer number (65554849080).

Almost surely, 2^668035127436 is an apocalyptic number.

It is an amenable number.

668035127436 is an abundant number, since it is smaller than the sum of its proper divisors (905281250484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

668035127436 is a wasteful number, since it uses less digits than its factorization.

668035127436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520276693 (or 520276691 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 668035127436 in words is "six hundred sixty-eight billion, thirty-five million, one hundred twenty-seven thousand, four hundred thirty-six".