162589947136 has 18 divisors (see below), whose sum is σ = 324544777802. Its totient is φ = 81294973440.

The previous prime is 162589947127. The next prime is 162589947173. The reversal of 162589947136 is 631749985261.

162589947136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 157018817536 + 5571129600 = 396256^2 + 74640^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 317558235 + ... + 317558746.

Almost surely, 2^162589947136 is an apocalyptic number.

162589947136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

162589947136 is a deficient number, since it is larger than the sum of its proper divisors (161954830666).

162589947136 is an frugal number, since it uses more digits than its factorization.

162589947136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635116997 (or 635116983 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 61.

The spelling of 162589947136 in words is "one hundred sixty-two billion, five hundred eighty-nine million, nine hundred forty-seven thousand, one hundred thirty-six".