162326630512890 has 48 divisors (see below), whose sum is σ = 428968079337096. Its totient is φ = 42577476854400.

The previous prime is 162326630512883. The next prime is 162326630512897. The reversal of 162326630512890 is 98215036623261.

It is a happy number.

162326630512890 is a `hidden beast` number, since 1 + 6 + 2 + 3 + 2 + 6 + 6 + 30 + 512 + 8 + 90 = 666.

162326630512890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (162326630512883) and next prime (162326630512897).

It can be written as a sum of positive squares in 4 ways, for example, as 34722699404409 + 127603931108481 = 5892597^2 + 11296191^2 .

It is not an unprimeable number, because it can be changed into a prime (162326630512897) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14783840641 + ... + 14783851620.

Almost surely, 2^{162326630512890} is an apocalyptic number.

162326630512890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

162326630512890 is an abundant number, since it is smaller than the sum of its proper divisors (266641448824206).

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

162326630512890 is a wasteful number, since it uses less digits than its factorization.

162326630512890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29567692335 (or 29567692332 counting only the distinct ones).

The product of its (nonzero) digits is 5598720, while the sum is 54.

The spelling of 162326630512890 in words is "one hundred sixty-two trillion, three hundred twenty-six billion, six hundred thirty million, five hundred twelve thousand, eight hundred ninety".