163522265306455 has 8 divisors (see below), whose sum is σ = 214065510946704. Its totient is φ = 118925283859200.

The previous prime is 163522265306399. The next prime is 163522265306537. The reversal of 163522265306455 is 554603562225361.

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

It is not a de Polignac number, because 163522265306455 - 2¹⁷ = 163522265175383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55), and also a Moran number because the ratio is a prime number: 2973132096481 = 163522265306455 / (1 + 6 + 3 + 5 + 2 + 2 + 2 + 6 + 5 + 3 + 0 + 6 + 4 + 5 + 5).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 163522265306396 and 163522265306405.

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, 1486566048186 + ... + 1486566048295.

It is an arithmetic number, because the mean of its divisors is an integer number (26758188868338).

Almost surely, 2^{163522265306455} is an apocalyptic number.

163522265306455 is a deficient number, since it is larger than the sum of its proper divisors (50543245640249).

163522265306455 is a wasteful number, since it uses less digits than its factorization.

163522265306455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2973132096497.

The product of its (nonzero) digits is 38880000, while the sum is 55.

The spelling of 163522265306455 in words is "one hundred sixty-three trillion, five hundred twenty-two billion, two hundred sixty-five million, three hundred six thousand, four hundred fifty-five".