162269740980 has 144 divisors (see below), whose sum is σ = 499319380560. Its totient is φ = 42651795456.

The previous prime is 162269740933. The next prime is 162269741021. The reversal of 162269740980 is 89047962261.

162269740980 is a `hidden beast` number, since 1 + 6 + 226 + 9 + 7 + 409 + 8 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 12217323024 + 150052417956 = 110532^2 + 387366^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3765234 + ... + 3808086.

Almost surely, 2^162269740980 is an apocalyptic number.

162269740980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 162269740980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249659690280).

162269740980 is an abundant number, since it is smaller than the sum of its proper divisors (337049639580).

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

162269740980 is a wasteful number, since it uses less digits than its factorization.

162269740980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43170 (or 43165 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 162269740980 in words is "one hundred sixty-two billion, two hundred sixty-nine million, seven hundred forty thousand, nine hundred eighty".