163221015410445 has 16 divisors (see below), whose sum is σ = 261402105771072. Its totient is φ = 86968381180800.

The previous prime is 163221015410423. The next prime is 163221015410501. The reversal of 163221015410445 is 544014510122361.

163221015410445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 163221015410445 - 2¹¹ = 163221015408397 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5176673592 + ... + 5176705121.

It is an arithmetic number, because the mean of its divisors is an integer number (16337631610692).

Almost surely, 2^{163221015410445} is an apocalyptic number.

163221015410445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

163221015410445 is a deficient number, since it is larger than the sum of its proper divisors (98181090360627).

163221015410445 is a wasteful number, since it uses less digits than its factorization.

163221015410445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10353379772.

The product of its (nonzero) digits is 115200, while the sum is 39.

The spelling of 163221015410445 in words is "one hundred sixty-three trillion, two hundred twenty-one billion, fifteen million, four hundred ten thousand, four hundred forty-five".