161435316650346 has 24 divisors (see below), whose sum is σ = 349790192631360. Its totient is φ = 53809668644136.

The previous prime is 161435316650317. The next prime is 161435316650417. The reversal of 161435316650346 is 643056613534161.

161435316650346 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 3 + 5 + 31 + 66 + 503 + 46 = 666.

It is a super-2 number, since 2×161435316650346² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161435316650292 and 161435316650301.

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, 174824436 + ... + 175745423.

It is an arithmetic number, because the mean of its divisors is an integer number (14574591359640).

Almost surely, 2^{161435316650346} is an apocalyptic number.

161435316650346 is an abundant number, since it is smaller than the sum of its proper divisors (188354875981014).

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

161435316650346 is a wasteful number, since it uses less digits than its factorization.

161435316650346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350595450 (or 350595447 counting only the distinct ones).

The product of its (nonzero) digits is 13996800, while the sum is 54.

The spelling of 161435316650346 in words is "one hundred sixty-one trillion, four hundred thirty-five billion, three hundred sixteen million, six hundred fifty thousand, three hundred forty-six".