163210401380 has 72 divisors (see below), whose sum is σ = 376674504192. Its totient is φ = 59362782336.

The previous prime is 163210401301. The next prime is 163210401397. The reversal of 163210401380 is 83104012361.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 133892 + ... + 586811.

It is an arithmetic number, because the mean of its divisors is an integer number (5231590336).

Almost surely, 2^163210401380 is an apocalyptic number.

163210401380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

163210401380 is an abundant number, since it is smaller than the sum of its proper divisors (213464102812).

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

163210401380 is a wasteful number, since it uses less digits than its factorization.

163210401380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720805 (or 720790 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The spelling of 163210401380 in words is "one hundred sixty-three billion, two hundred ten million, four hundred one thousand, three hundred eighty".