161048704012 has 96 divisors (see below), whose sum is σ = 333731414016. Its totient is φ = 66563596800.

The previous prime is 161048704007. The next prime is 161048704051. The reversal of 161048704012 is 210407840161.

It is a happy number.

It is a super-2 number, since 2×161048704012² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61538128 + ... + 61540744.

It is an arithmetic number, because the mean of its divisors is an integer number (3476368896).

Almost surely, 2^161048704012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161048704012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166865707008).

161048704012 is an abundant number, since it is smaller than the sum of its proper divisors (172682710004).

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

161048704012 is a wasteful number, since it uses less digits than its factorization.

161048704012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3167 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The spelling of 161048704012 in words is "one hundred sixty-one billion, forty-eight million, seven hundred four thousand, twelve".