162078389212 has 24 divisors (see below), whose sum is σ = 287928315920. Its totient is φ = 79813641600.

The previous prime is 162078389197. The next prime is 162078389219. The reversal of 162078389212 is 212983870261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162078389219) 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, 1337962 + ... + 1454062.

Almost surely, 2^162078389212 is an apocalyptic number.

It is an amenable number.

162078389212 is a deficient number, since it is larger than the sum of its proper divisors (125849926708).

162078389212 is a wasteful number, since it uses less digits than its factorization.

162078389212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121381 (or 121379 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 49.

The spelling of 162078389212 in words is "one hundred sixty-two billion, seventy-eight million, three hundred eighty-nine thousand, two hundred twelve".