351868686852 has 24 divisors (see below), whose sum is σ = 821050780032. Its totient is φ = 117286156000.

The previous prime is 351868686821. The next prime is 351868686881. The reversal of 351868686852 is 258686868153.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23602 + ... + 839222.

It is an arithmetic number, because the mean of its divisors is an integer number (34210449168).

Almost surely, 2^351868686852 is an apocalyptic number.

It is an amenable number.

351868686852 is an abundant number, since it is smaller than the sum of its proper divisors (469182093180).

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

351868686852 is a wasteful number, since it uses less digits than its factorization.

351868686852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 851579 (or 851577 counting only the distinct ones).

The product of its digits is 132710400, while the sum is 66.

Multiplying 351868686852 by its sum of digits (66), we get a palindrome (23223333332232).

The spelling of 351868686852 in words is "three hundred fifty-one billion, eight hundred sixty-eight million, six hundred eighty-six thousand, eight hundred fifty-two".