163221015410398 has 16 divisors (see below), whose sum is σ = 281146246640640. Its totient is φ = 70286561659800.

The previous prime is 163221015410363. The next prime is 163221015410423. The reversal of 163221015410398 is 893014510122361.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195240448638 + ... + 195240449473.

It is an arithmetic number, because the mean of its divisors is an integer number (17571640415040).

Almost surely, 2^{163221015410398} is an apocalyptic number.

163221015410398 is a deficient number, since it is larger than the sum of its proper divisors (117925231230242).

163221015410398 is a wasteful number, since it uses less digits than its factorization.

163221015410398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390480898143.

The product of its (nonzero) digits is 311040, while the sum is 46.

The spelling of 163221015410398 in words is "one hundred sixty-three trillion, two hundred twenty-one billion, fifteen million, four hundred ten thousand, three hundred ninety-eight".