161446030030 has 64 divisors (see below), whose sum is σ = 314025579648. Its totient is φ = 59611368960.

The previous prime is 161446030027. The next prime is 161446030061. The reversal of 161446030030 is 30030644161.

It is a super-2 number, since 2×161446030030² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 635032 + ... + 852148.

It is an arithmetic number, because the mean of its divisors is an integer number (4906649682).

Almost surely, 2^161446030030 is an apocalyptic number.

161446030030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161446030030 is a deficient number, since it is larger than the sum of its proper divisors (152579549618).

161446030030 is a wasteful number, since it uses less digits than its factorization.

161446030030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217261.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 161446030030 its reverse (30030644161), we get a palindrome (191476674191).

The spelling of 161446030030 in words is "one hundred sixty-one billion, four hundred forty-six million, thirty thousand, thirty".