161873300302 has 16 divisors (see below), whose sum is σ = 277562161152. Its totient is φ = 69358002840.

The previous prime is 161873300299. The next prime is 161873300333. The reversal of 161873300302 is 203003378161.

It is a super-2 number, since 2×161873300302² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1293798 + ... + 1413385.

It is an arithmetic number, because the mean of its divisors is an integer number (17347635072).

Almost surely, 2^161873300302 is an apocalyptic number.

161873300302 is a deficient number, since it is larger than the sum of its proper divisors (115688860850).

161873300302 is a wasteful number, since it uses less digits than its factorization.

161873300302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711463.

The product of its (nonzero) digits is 18144, while the sum is 34.

Adding to 161873300302 its reverse (203003378161), we get a palindrome (364876678463).

The spelling of 161873300302 in words is "one hundred sixty-one billion, eight hundred seventy-three million, three hundred thousand, three hundred two".