161006994958848 has 80 divisors (see below), whose sum is σ = 428987559217536. Its totient is φ = 53662133903360.

The previous prime is 161006994958829. The next prime is 161006994958903. The reversal of 161006994958848 is 848859499600161.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5316508 + ... + 18715748.

Almost surely, 2^{161006994958848} is an apocalyptic number.

It is an amenable number.

161006994958848 is an abundant number, since it is smaller than the sum of its proper divisors (267980564258688).

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

161006994958848 is an equidigital number, since it uses as much as digits as its factorization.

161006994958848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13407085 (or 13407069 counting only the distinct ones).

The product of its (nonzero) digits is 1074954240, while the sum is 78.

The spelling of 161006994958848 in words is "one hundred sixty-one trillion, six billion, nine hundred ninety-four million, nine hundred fifty-eight thousand, eight hundred forty-eight".