161434433014288 has 80 divisors (see below), whose sum is σ = 358456069089280. Its totient is φ = 68994043920000.

The previous prime is 161434433014219. The next prime is 161434433014307. The reversal of 161434433014288 is 882410334434161.

It is a happy number.

It is a super-2 number, since 2×161434433014288² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56732623 + ... + 59510161.

It is an arithmetic number, because the mean of its divisors is an integer number (4480700863616).

Almost surely, 2^{161434433014288} is an apocalyptic number.

It is an amenable number.

161434433014288 is an abundant number, since it is smaller than the sum of its proper divisors (197021636074992).

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

161434433014288 is a wasteful number, since it uses less digits than its factorization.

161434433014288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778996 (or 2778990 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 52.

The spelling of 161434433014288 in words is "one hundred sixty-one trillion, four hundred thirty-four billion, four hundred thirty-three million, fourteen thousand, two hundred eighty-eight".