161020102 has 16 divisors (see below), whose sum is σ = 253854720. Its totient is φ = 76452552.

The previous prime is 161020081. The next prime is 161020103. The reversal of 161020102 is 201020161.

161020102 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161020103) 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, 6198 + ... + 18985.

It is an arithmetic number, because the mean of its divisors is an integer number (15865920).

Almost surely, 2^161020102 is an apocalyptic number.

161020102 is a deficient number, since it is larger than the sum of its proper divisors (92834618).

161020102 is a wasteful number, since it uses less digits than its factorization.

161020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25347.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 161020102 is about 12689.3696454946. The cubic root of 161020102 is about 544.0348228682.

Adding to 161020102 its reverse (201020161), we get a palindrome (362040263).

It can be divided in two parts, 1610 and 20102, that added together give a palindrome (21712).

The spelling of 161020102 in words is "one hundred sixty-one million, twenty thousand, one hundred two".