163220052451061 has 8 divisors (see below), whose sum is σ = 163366258481664. Its totient is φ = 163073847958560.

The previous prime is 163220052451051. The next prime is 163220052451081. The reversal of 163220052451061 is 160154250022361.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-163220052451061 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 (163220052451051) 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, 379692716 + ... + 380122346.

It is an arithmetic number, because the mean of its divisors is an integer number (20420782310208).

Almost surely, 2^{163220052451061} is an apocalyptic number.

It is an amenable number.

163220052451061 is a deficient number, since it is larger than the sum of its proper divisors (146206030603).

163220052451061 is a wasteful number, since it uses less digits than its factorization.

163220052451061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769051.

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 163220052451061 in words is "one hundred sixty-three trillion, two hundred twenty billion, fifty-two million, four hundred fifty-one thousand, sixty-one".