162155566212 has 24 divisors (see below), whose sum is σ = 379728926976. Its totient is φ = 53856721248.

The previous prime is 162155566211. The next prime is 162155566213. The reversal of 162155566212 is 212665551261.

It is an interprime number because it is at equal distance from previous prime (162155566211) and next prime (162155566213).

It is not an unprimeable number, because it can be changed into a prime (162155566211) 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, 24388308 + ... + 24394955.

It is an arithmetic number, because the mean of its divisors is an integer number (15822038624).

Almost surely, 2^162155566212 is an apocalyptic number.

162155566212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

162155566212 is an abundant number, since it is smaller than the sum of its proper divisors (217573360764).

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

162155566212 is a wasteful number, since it uses less digits than its factorization.

162155566212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48783547 (or 48783545 counting only the distinct ones).

The product of its digits is 216000, while the sum is 42.

The spelling of 162155566212 in words is "one hundred sixty-two billion, one hundred fifty-five million, five hundred sixty-six thousand, two hundred twelve".