161226625016012 has 24 divisors (see below), whose sum is σ = 301865208192240. Its totient is φ = 75118531066560.

The previous prime is 161226625016011. The next prime is 161226625016033. The reversal of 161226625016012 is 210610526622161.

161226625016012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161226625016012² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (161226625016011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17388544223 + ... + 17388553494.

It is an arithmetic number, because the mean of its divisors is an integer number (12577717008010).

Almost surely, 2^{161226625016012} is an apocalyptic number.

It is an amenable number.

161226625016012 is a deficient number, since it is larger than the sum of its proper divisors (140638583176228).

161226625016012 is a wasteful number, since it uses less digits than its factorization.

161226625016012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34777097801 (or 34777097799 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 161226625016012 in words is "one hundred sixty-one trillion, two hundred twenty-six billion, six hundred twenty-five million, sixteen thousand, twelve".