161224647320330 has 64 divisors (see below), whose sum is σ = 316961348911488. Its totient is φ = 58557777672960.

The previous prime is 161224647320291. The next prime is 161224647320383. The reversal of 161224647320330 is 33023746422161.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 373788752 + ... + 374219828.

It is an arithmetic number, because the mean of its divisors is an integer number (4952521076742).

Almost surely, 2^{161224647320330} is an apocalyptic number.

161224647320330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161224647320330 is a deficient number, since it is larger than the sum of its proper divisors (155736701591158).

161224647320330 is a wasteful number, since it uses less digits than its factorization.

161224647320330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435111.

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 161224647320330 in words is "one hundred sixty-one trillion, two hundred twenty-four billion, six hundred forty-seven million, three hundred twenty thousand, three hundred thirty".