161116102 has 16 divisors (see below), whose sum is σ = 278883072. Its totient is φ = 68378760.

The previous prime is 161116099. The next prime is 161116103. The reversal of 161116102 is 201611161.

It is a self number, because there is not a number n which added to its sum of digits gives 161116102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161116103) 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, 54424 + ... + 57307.

It is an arithmetic number, because the mean of its divisors is an integer number (17430192).

Almost surely, 2^161116102 is an apocalyptic number.

161116102 is a deficient number, since it is larger than the sum of its proper divisors (117766970).

161116102 is a wasteful number, since it uses less digits than its factorization.

161116102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111843.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 161116102 is about 12693.1517756623. The cubic root of 161116102 is about 544.1429190344.

Adding to 161116102 its reverse (201611161), we get a palindrome (362727263).

The spelling of 161116102 in words is "one hundred sixty-one million, one hundred sixteen thousand, one hundred two".