346166220 has 48 divisors (see below), whose sum is σ = 983743488. Its totient is φ = 90932160.

The previous prime is 346166213. The next prime is 346166221. The reversal of 346166220 is 22661643.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (346166221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39036 + ... + 47075.

It is an arithmetic number, because the mean of its divisors is an integer number (20494656).

Almost surely, 2^346166220 is an apocalyptic number.

346166220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

346166220 is an abundant number, since it is smaller than the sum of its proper divisors (637577268).

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

346166220 is a wasteful number, since it uses less digits than its factorization.

346166220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86190 (or 86188 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 346166220 is about 18605.5427225330. The cubic root of 346166220 is about 702.1472974407.

The spelling of 346166220 in words is "three hundred forty-six million, one hundred sixty-six thousand, two hundred twenty".