163553103061 has 4 divisors (see below), whose sum is σ = 163659932224. Its totient is φ = 163446273900.

The previous prime is 163553103059. The next prime is 163553103089. The reversal of 163553103061 is 160301355361.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 163553103061 - 2¹ = 163553103059 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 (163553103041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53412285 + ... + 53415346.

It is an arithmetic number, because the mean of its divisors is an integer number (40914983056).

Almost surely, 2^163553103061 is an apocalyptic number.

It is an amenable number.

163553103061 is a deficient number, since it is larger than the sum of its proper divisors (106829163).

163553103061 is a wasteful number, since it uses less digits than its factorization.

163553103061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106829162.

The product of its (nonzero) digits is 24300, while the sum is 34.

The spelling of 163553103061 in words is "one hundred sixty-three billion, five hundred fifty-three million, one hundred three thousand, sixty-one".