326161650 has 48 divisors (see below), whose sum is σ = 811581984. Its totient is φ = 86686080.

The previous prime is 326161621. The next prime is 326161669. The reversal of 326161650 is 56161623.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43477 + ... + 50423.

It is an arithmetic number, because the mean of its divisors is an integer number (16907958).

Almost surely, 2^326161650 is an apocalyptic number.

326161650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 326161650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (405790992).

326161650 is an abundant number, since it is smaller than the sum of its proper divisors (485420334).

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

326161650 is a wasteful number, since it uses less digits than its factorization.

326161650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7275 (or 7270 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 326161650 is about 18059.9460132083. The cubic root of 326161650 is about 688.3526127068.

The spelling of 326161650 in words is "three hundred twenty-six million, one hundred sixty-one thousand, six hundred fifty".