163310948551 has 16 divisors (see below), whose sum is σ = 173193292800. Its totient is φ = 153737529568.

The previous prime is 163310948533. The next prime is 163310948569. The reversal of 163310948551 is 155849013361.

It is an interprime number because it is at equal distance from previous prime (163310948533) and next prime (163310948569).

It is a cyclic number.

It is not a de Polignac number, because 163310948551 - 2⁵ = 163310948519 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 (163310988551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130680 + ... + 586258.

It is an arithmetic number, because the mean of its divisors is an integer number (10824580800).

Almost surely, 2^163310948551 is an apocalyptic number.

163310948551 is a deficient number, since it is larger than the sum of its proper divisors (9882344249).

163310948551 is a wasteful number, since it uses less digits than its factorization.

163310948551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455918.

The product of its (nonzero) digits is 388800, while the sum is 46.

The spelling of 163310948551 in words is "one hundred sixty-three billion, three hundred ten million, nine hundred forty-eight thousand, five hundred fifty-one".