161328702 has 16 divisors (see below), whose sum is σ = 324796032. Its totient is φ = 53419800.

The previous prime is 161328689. The next prime is 161328709. The reversal of 161328702 is 207823161.

It is a self number, because there is not a number n which added to its sum of digits gives 161328702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161328709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88128 + ... + 89939.

It is an arithmetic number, because the mean of its divisors is an integer number (20299752).

Almost surely, 2^161328702 is an apocalyptic number.

161328702 is an abundant number, since it is smaller than the sum of its proper divisors (163467330).

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

161328702 is a wasteful number, since it uses less digits than its factorization.

161328702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178223.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 161328702 is about 12701.5236093943. The cubic root of 161328702 is about 544.3821542539.

The spelling of 161328702 in words is "one hundred sixty-one million, three hundred twenty-eight thousand, seven hundred two".