163211007455 has 8 divisors (see below), whose sum is σ = 195868955952. Its totient is φ = 130558307968.

The previous prime is 163211007451. The next prime is 163211007497. The reversal of 163211007455 is 554700112361.

It is a happy number.

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 163211007455 - 2² = 163211007451 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 (163211007451) 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, 1243517 + ... + 1368486.

It is an arithmetic number, because the mean of its divisors is an integer number (24483619494).

Almost surely, 2^163211007455 is an apocalyptic number.

163211007455 is a deficient number, since it is larger than the sum of its proper divisors (32657948497).

163211007455 is a wasteful number, since it uses less digits than its factorization.

163211007455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624505.

The product of its (nonzero) digits is 25200, while the sum is 35.

The spelling of 163211007455 in words is "one hundred sixty-three billion, two hundred eleven million, seven thousand, four hundred fifty-five".