161469534051 has 32 divisors (see below), whose sum is σ = 287776396800. Its totient is φ = 87412076640.

The previous prime is 161469534041. The next prime is 161469534071. The reversal of 161469534051 is 150435964161.

161469534051 is a `hidden beast` number, since 1 + 6 + 1 + 4 + 69 + 534 + 0 + 51 = 666.

161469534051 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 161469534051 - 2⁷ = 161469533923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 161469533988 and 161469534006.

It is not an unprimeable number, because it can be changed into a prime (161469534041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22478940 + ... + 22486121.

It is an arithmetic number, because the mean of its divisors is an integer number (8993012400).

Almost surely, 2^161469534051 is an apocalyptic number.

161469534051 is a deficient number, since it is larger than the sum of its proper divisors (126306862749).

161469534051 is a wasteful number, since it uses less digits than its factorization.

161469534051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44965096 (or 44965090 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The spelling of 161469534051 in words is "one hundred sixty-one billion, four hundred sixty-nine million, five hundred thirty-four thousand, fifty-one".