161224602 has 48 divisors (see below), whose sum is σ = 409201632. Its totient is φ = 41875680.

The previous prime is 161224589. The next prime is 161224619. The reversal of 161224602 is 206422161.

161224602 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 23 ways as a sum of consecutive naturals, for example, 21693 + ... + 28160.

It is an arithmetic number, because the mean of its divisors is an integer number (8525034).

Almost surely, 2^161224602 is an apocalyptic number.

161224602 is an abundant number, since it is smaller than the sum of its proper divisors (247977030).

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

161224602 is a wasteful number, since it uses less digits than its factorization.

161224602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49883 (or 49876 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 161224602 is about 12697.4250145453. The cubic root of 161224602 is about 544.2650385453.

Adding to 161224602 its reverse (206422161), we get a palindrome (367646763).

The spelling of 161224602 in words is "one hundred sixty-one million, two hundred twenty-four thousand, six hundred two".