162985728933 has 10 divisors (see below), whose sum is σ = 243472508774. Its totient is φ = 108657152568.

The previous prime is 162985728931. The next prime is 162985728973. The reversal of 162985728933 is 339827589261.

162985728933 is a `hidden beast` number, since 1 + 6 + 29 + 8 + 572 + 8 + 9 + 33 = 666.

It can be written as a sum of positive squares in only one way, i.e., 162984186369 + 1542564 = 403713^2 + 1242^2 .

It is not a de Polignac number, because 162985728933 - 2¹ = 162985728931 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162985728931) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1006084666 + ... + 1006084827.

Almost surely, 2^162985728933 is an apocalyptic number.

It is an amenable number.

162985728933 is a deficient number, since it is larger than the sum of its proper divisors (80486779841).

162985728933 is an equidigital number, since it uses as much as digits as its factorization.

162985728933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2012169505 (or 2012169496 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 162985728933 in words is "one hundred sixty-two billion, nine hundred eighty-five million, seven hundred twenty-eight thousand, nine hundred thirty-three".