161361002 has 24 divisors (see below), whose sum is σ = 267515136. Its totient is φ = 72941000.

The previous prime is 161360999. The next prime is 161361037. The reversal of 161361002 is 200163161.

161361002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44477 + ... + 47967.

It is an arithmetic number, because the mean of its divisors is an integer number (11146464).

Almost surely, 2^161361002 is an apocalyptic number.

161361002 is a deficient number, since it is larger than the sum of its proper divisors (106154134).

161361002 is a wasteful number, since it uses less digits than its factorization.

161361002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3706 (or 3695 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 161361002 is about 12702.7950467604. The cubic root of 161361002 is about 544.4184825080.

It can be divided in two parts, 161 and 361002, that added together give a palindrome (361163).

The spelling of 161361002 in words is "one hundred sixty-one million, three hundred sixty-one thousand, two".