161648033106 has 16 divisors (see below), whose sum is σ = 369481218624. Its totient is φ = 46185152304.

The previous prime is 161648033101. The next prime is 161648033143. The reversal of 161648033106 is 601330846161.

It is a super-2 number, since 2×161648033106² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161648033101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1924381305 + ... + 1924381388.

It is an arithmetic number, because the mean of its divisors is an integer number (23092576164).

Almost surely, 2^161648033106 is an apocalyptic number.

161648033106 is an abundant number, since it is smaller than the sum of its proper divisors (207833185518).

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

161648033106 is a wasteful number, since it uses less digits than its factorization.

161648033106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3848762705.

The product of its (nonzero) digits is 62208, while the sum is 39.

Adding to 161648033106 its reverse (601330846161), we get a palindrome (762978879267).

The spelling of 161648033106 in words is "one hundred sixty-one billion, six hundred forty-eight million, thirty-three thousand, one hundred six".