161210140054 has 8 divisors (see below), whose sum is σ = 242669681640. Its totient is φ = 80320246176.

The previous prime is 161210140033. The next prime is 161210140097. The reversal of 161210140054 is 450041012161.

161210140054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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 3 ways as a sum of consecutive naturals, for example, 142411219 + ... + 142412350.

It is an arithmetic number, because the mean of its divisors is an integer number (30333710205).

Almost surely, 2^161210140054 is an apocalyptic number.

161210140054 is a deficient number, since it is larger than the sum of its proper divisors (81459541586).

161210140054 is a wasteful number, since it uses less digits than its factorization.

161210140054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284823854.

The product of its (nonzero) digits is 960, while the sum is 25.

The spelling of 161210140054 in words is "one hundred sixty-one billion, two hundred ten million, one hundred forty thousand, fifty-four".