161162862 has 48 divisors (see below), whose sum is σ = 387067392. Its totient is φ = 44558640.

The previous prime is 161162857. The next prime is 161162867. The reversal of 161162862 is 268261161.

It is an interprime number because it is at equal distance from previous prime (161162857) and next prime (161162867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161162867) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273 + ... + 17955.

It is an arithmetic number, because the mean of its divisors is an integer number (8063904).

Almost surely, 2^161162862 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 161162862, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (193533696).

161162862 is an abundant number, since it is smaller than the sum of its proper divisors (225904530).

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

161162862 is a wasteful number, since it uses less digits than its factorization.

161162862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17733 (or 17726 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 161162862 is about 12694.9935801480. The cubic root of 161162862 is about 544.1955553248.

The spelling of 161162862 in words is "one hundred sixty-one million, one hundred sixty-two thousand, eight hundred sixty-two".