352168851990 has 32 divisors (see below), whose sum is σ = 846969799680. Its totient is φ = 93715632224.

The previous prime is 352168851967. The next prime is 352168852027. The reversal of 352168851990 is 99158861253.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 352168851990.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12239244 + ... + 12267983.

It is an arithmetic number, because the mean of its divisors is an integer number (26467806240).

Almost surely, 2^352168851990 is an apocalyptic number.

352168851990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

352168851990 is an abundant number, since it is smaller than the sum of its proper divisors (494800947690).

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

352168851990 is a wasteful number, since it uses less digits than its factorization.

352168851990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24507716.

The product of its (nonzero) digits is 4665600, while the sum is 57.

The spelling of 352168851990 in words is "three hundred fifty-two billion, one hundred sixty-eight million, eight hundred fifty-one thousand, nine hundred ninety".