161042776754 has 8 divisors (see below), whose sum is σ = 242124640128. Its totient is φ = 80334563380.

The previous prime is 161042776753. The next prime is 161042776787. The reversal of 161042776754 is 457677240161.

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

It is not an unprimeable number, because it can be changed into a prime (161042776753) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 93411422 + ... + 93413145.

It is an arithmetic number, because the mean of its divisors is an integer number (30265580016).

Almost surely, 2^161042776754 is an apocalyptic number.

161042776754 is a deficient number, since it is larger than the sum of its proper divisors (81081863374).

161042776754 is a wasteful number, since it uses less digits than its factorization.

161042776754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186825000.

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 161042776754 in words is "one hundred sixty-one billion, forty-two million, seven hundred seventy-six thousand, seven hundred fifty-four".