351543885672 has 128 divisors (see below), whose sum is σ = 1013006269440. Its totient is φ = 99583011840.

The previous prime is 351543885647. The next prime is 351543885697. The reversal of 351543885672 is 276588345153.

It is an interprime number because it is at equal distance from previous prime (351543885647) and next prime (351543885697).

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 26116768 + ... + 26130224.

It is an arithmetic number, because the mean of its divisors is an integer number (7914111480).

Almost surely, 2^351543885672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 351543885672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506503134720).

351543885672 is an abundant number, since it is smaller than the sum of its proper divisors (661462383768).

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

351543885672 is a wasteful number, since it uses less digits than its factorization.

351543885672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14791 (or 14787 counting only the distinct ones).

The product of its digits is 24192000, while the sum is 57.

The spelling of 351543885672 in words is "three hundred fifty-one billion, five hundred forty-three million, eight hundred eighty-five thousand, six hundred seventy-two".