162293012768644 has 6 divisors (see below), whose sum is σ = 284012772345134. Its totient is φ = 81146506384320.

The previous prime is 162293012768639. The next prime is 162293012768647. The reversal of 162293012768644 is 446867210392261.

It can be written as a sum of positive squares in only one way, i.e., 131856716820544 + 30436295948100 = 11482888^2 + 5516910^2 .

It is not an unprimeable number, because it can be changed into a prime (162293012768647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20286626596077 + ... + 20286626596084.

Almost surely, 2^{162293012768644} is an apocalyptic number.

It is an amenable number.

162293012768644 is a deficient number, since it is larger than the sum of its proper divisors (121719759576490).

162293012768644 is a wasteful number, since it uses less digits than its factorization.

162293012768644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40573253192165 (or 40573253192163 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 61.

The spelling of 162293012768644 in words is "one hundred sixty-two trillion, two hundred ninety-three billion, twelve million, seven hundred sixty-eight thousand, six hundred forty-four".