161050051120 has 80 divisors (see below), whose sum is σ = 450455811840. Its totient is φ = 52310990592.

The previous prime is 161050051103. The next prime is 161050051121. The reversal of 161050051120 is 21150050161.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×161050051120² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 161050051091 and 161050051100.

It is not an unprimeable number, because it can be changed into a prime (161050051121) 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, 7557502 + ... + 7578781.

It is an arithmetic number, because the mean of its divisors is an integer number (5630697648).

Almost surely, 2^161050051120 is an apocalyptic number.

161050051120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

161050051120 is an abundant number, since it is smaller than the sum of its proper divisors (289405760720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

161050051120 is a wasteful number, since it uses less digits than its factorization.

161050051120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15136322 (or 15136316 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 22.

The spelling of 161050051120 in words is "one hundred sixty-one billion, fifty million, fifty-one thousand, one hundred twenty".