163347330 has 16 divisors (see below), whose sum is σ = 392033664. Its totient is φ = 43559280.

The previous prime is 163347329. The next prime is 163347347. The reversal of 163347330 is 33743361.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 5444911 = 163347330 / (1 + 6 + 3 + 3 + 4 + 7 + 3 + 3 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2722426 + ... + 2722485.

It is an arithmetic number, because the mean of its divisors is an integer number (24502104).

Almost surely, 2^163347330 is an apocalyptic number.

163347330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

163347330 is an abundant number, since it is smaller than the sum of its proper divisors (228686334).

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

163347330 is a wasteful number, since it uses less digits than its factorization.

163347330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5444921.

The product of its (nonzero) digits is 13608, while the sum is 30.

The square root of 163347330 is about 12780.7405888704. The cubic root of 163347330 is about 546.6432797021.

The spelling of 163347330 in words is "one hundred sixty-three million, three hundred forty-seven thousand, three hundred thirty".