162690899628 has 18 divisors (see below), whose sum is σ = 379615359396. Its totient is φ = 54229834128.

The previous prime is 162690899611. The next prime is 162690899659. The reversal of 162690899628 is 826998096261.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1339026 + ... + 1455462.

Almost surely, 2^162690899628 is an apocalyptic number.

It is an amenable number.

162690899628 is an abundant number, since it is smaller than the sum of its proper divisors (216924459768).

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

162690899628 is an frugal number, since it uses more digits than its factorization.

162690899628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232881 (or 116442 counting only the distinct ones).

The product of its (nonzero) digits is 40310784, while the sum is 66.

The spelling of 162690899628 in words is "one hundred sixty-two billion, six hundred ninety million, eight hundred ninety-nine thousand, six hundred twenty-eight".