161502002 has 16 divisors (see below), whose sum is σ = 250387200. Its totient is φ = 78046320.

The previous prime is 161501987. The next prime is 161502007. The reversal of 161502002 is 200205161.

It is not an unprimeable number, because it can be changed into a prime (161502007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77024 + ... + 79092.

It is an arithmetic number, because the mean of its divisors is an integer number (15649200).

Almost surely, 2^161502002 is an apocalyptic number.

161502002 is a deficient number, since it is larger than the sum of its proper divisors (88885198).

161502002 is a wasteful number, since it uses less digits than its factorization.

161502002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 161502002 is about 12708.3437945312. The cubic root of 161502002 is about 544.5770103988.

Adding to 161502002 its reverse (200205161), we get a palindrome (361707163).

The spelling of 161502002 in words is "one hundred sixty-one million, five hundred two thousand, two".