161065552330352 has 40 divisors (see below), whose sum is σ = 312628154580000. Its totient is φ = 80387355606272.

The previous prime is 161065552330271. The next prime is 161065552330399. The reversal of 161065552330352 is 253033255560161.

It is a super-2 number, since 2×161065552330352² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161065552330297 and 161065552330306.

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, 69289418 + ... + 71576214.

It is an arithmetic number, because the mean of its divisors is an integer number (7815703864500).

Almost surely, 2^{161065552330352} is an apocalyptic number.

It is an amenable number.

161065552330352 is a deficient number, since it is larger than the sum of its proper divisors (151562602249648).

161065552330352 is a wasteful number, since it uses less digits than its factorization.

161065552330352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294753 (or 2294747 counting only the distinct ones).

The product of its (nonzero) digits is 2430000, while the sum is 47.

The spelling of 161065552330352 in words is "one hundred sixty-one trillion, sixty-five billion, five hundred fifty-two million, three hundred thirty thousand, three hundred fifty-two".