161203167054 has 12 divisors (see below), whose sum is σ = 349273528656. Its totient is φ = 53734389012.

The previous prime is 161203166983. The next prime is 161203167113. The reversal of 161203167054 is 450761302161.

161203167054 is a `hidden beast` number, since 1 + 612 + 0 + 31 + 6 + 7 + 0 + 5 + 4 = 666.

161203167054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×161203167054² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 4477865734 + ... + 4477865769.

It is an arithmetic number, because the mean of its divisors is an integer number (29106127388).

Almost surely, 2^161203167054 is an apocalyptic number.

161203167054 is an abundant number, since it is smaller than the sum of its proper divisors (188070361602).

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

161203167054 is a wasteful number, since it uses less digits than its factorization.

161203167054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8955731511 (or 8955731508 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The spelling of 161203167054 in words is "one hundred sixty-one billion, two hundred three million, one hundred sixty-seven thousand, fifty-four".