163221015410407 has 8 divisors (see below), whose sum is σ = 175811696824320. Its totient is φ = 151088176957080.

The previous prime is 163221015410363. The next prime is 163221015410423. The reversal of 163221015410407 is 704014510122361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 163221015410407 - 2¹¹ = 163221015408359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (163221015417407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114460739407 + ... + 114460740832.

It is an arithmetic number, because the mean of its divisors is an integer number (21976462103040).

Almost surely, 2^{163221015410407} is an apocalyptic number.

163221015410407 is a deficient number, since it is larger than the sum of its proper divisors (12590681413913).

163221015410407 is a wasteful number, since it uses less digits than its factorization.

163221015410407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228921480293.

The product of its (nonzero) digits is 40320, while the sum is 37.

Adding to 163221015410407 its reverse (704014510122361), we get a palindrome (867235525532768).

The spelling of 163221015410407 in words is "one hundred sixty-three trillion, two hundred twenty-one billion, fifteen million, four hundred ten thousand, four hundred seven".