161910294246 has 24 divisors (see below), whose sum is σ = 369269092920. Its totient is φ = 51129566496.

The previous prime is 161910294241. The next prime is 161910294257. The reversal of 161910294246 is 642492019161.

161910294246 is a `hidden beast` number, since 1 + 619 + 1 + 0 + 2 + 9 + 4 + 24 + 6 = 666.

161910294246 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161910294241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236710615 + ... + 236711298.

It is an arithmetic number, because the mean of its divisors is an integer number (15386212205).

Almost surely, 2^161910294246 is an apocalyptic number.

161910294246 is an abundant number, since it is smaller than the sum of its proper divisors (207358798674).

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

161910294246 is a wasteful number, since it uses less digits than its factorization.

161910294246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473421940 (or 473421937 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 161910294246 in words is "one hundred sixty-one billion, nine hundred ten million, two hundred ninety-four thousand, two hundred forty-six".