162797021852 has 12 divisors (see below), whose sum is σ = 299889250920. Its totient is φ = 77114378736.

The previous prime is 162797021837. The next prime is 162797021887. The reversal of 162797021852 is 258120797261.

It is a self number, because there is not a number n which added to its sum of digits gives 162797021852.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071032963 + ... + 1071033114.

It is an arithmetic number, because the mean of its divisors is an integer number (24990770910).

Almost surely, 2^162797021852 is an apocalyptic number.

It is an amenable number.

162797021852 is a deficient number, since it is larger than the sum of its proper divisors (137092229068).

162797021852 is a wasteful number, since it uses less digits than its factorization.

162797021852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2142066100 (or 2142066098 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 162797021852 in words is "one hundred sixty-two billion, seven hundred ninety-seven million, twenty-one thousand, eight hundred fifty-two".