161606115110110 has 16 divisors (see below), whose sum is σ = 317335644216432. Its totient is φ = 58765860040000.

The previous prime is 161606115110057. The next prime is 161606115110123. The reversal of 161606115110110 is 11011511606161.

It is a super-2 number, since 2×161606115110110² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

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, 734573250391 + ... + 734573250610.

It is an arithmetic number, because the mean of its divisors is an integer number (19833477763527).

Almost surely, 2^{161606115110110} is an apocalyptic number.

161606115110110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161606115110110 is a deficient number, since it is larger than the sum of its proper divisors (155729529106322).

161606115110110 is a wasteful number, since it uses less digits than its factorization.

161606115110110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469146501019.

The product of its (nonzero) digits is 1080, while the sum is 31.

Adding to 161606115110110 its reverse (11011511606161), we get a palindrome (172617626716271).

The spelling of 161606115110110 in words is "one hundred sixty-one trillion, six hundred six billion, one hundred fifteen million, one hundred ten thousand, one hundred ten".