161746983468 has 72 divisors (see below), whose sum is σ = 482342282240. Its totient is φ = 44722666080.

The previous prime is 161746983467. The next prime is 161746983533. The reversal of 161746983468 is 864389647161.

It is a happy number.

161746983468 is a `hidden beast` number, since 1 + 617 + 4 + 6 + 9 + 8 + 3 + 4 + 6 + 8 = 666.

161746983468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (161746983467) 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 23 ways as a sum of consecutive naturals, for example, 10344658 + ... + 10360281.

Almost surely, 2^161746983468 is an apocalyptic number.

161746983468 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

161746983468 is an abundant number, since it is smaller than the sum of its proper divisors (320595298772).

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

161746983468 is a wasteful number, since it uses less digits than its factorization.

161746983468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20704987 (or 20704982 counting only the distinct ones).

The product of its digits is 41803776, while the sum is 63.

The spelling of 161746983468 in words is "one hundred sixty-one billion, seven hundred forty-six million, nine hundred eighty-three thousand, four hundred sixty-eight".