351271216674 has 64 divisors (see below), whose sum is σ = 897046375680. Its totient is φ = 99808692480.

The previous prime is 351271216661. The next prime is 351271216693. The reversal of 351271216674 is 476612172153.

351271216674 is a `hidden beast` number, since 3 + 512 + 7 + 1 + 2 + 1 + 66 + 74 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2498679 + ... + 2635514.

It is an arithmetic number, because the mean of its divisors is an integer number (14016349620).

Almost surely, 2^351271216674 is an apocalyptic number.

351271216674 is an abundant number, since it is smaller than the sum of its proper divisors (545775159006).

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

351271216674 is a wasteful number, since it uses less digits than its factorization.

351271216674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134392 (or 5134386 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The spelling of 351271216674 in words is "three hundred fifty-one billion, two hundred seventy-one million, two hundred sixteen thousand, six hundred seventy-four".