161384122534 has 8 divisors (see below), whose sum is σ = 254817035640. Its totient is φ = 76445110656.

The previous prime is 161384122531. The next prime is 161384122607. The reversal of 161384122534 is 435221483161.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161384122531) 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, 2123475259 + ... + 2123475334.

It is an arithmetic number, because the mean of its divisors is an integer number (31852129455).

Almost surely, 2^161384122534 is an apocalyptic number.

161384122534 is a deficient number, since it is larger than the sum of its proper divisors (93432913106).

161384122534 is a wasteful number, since it uses less digits than its factorization.

161384122534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4246950614.

The product of its digits is 138240, while the sum is 40.

The spelling of 161384122534 in words is "one hundred sixty-one billion, three hundred eighty-four million, one hundred twenty-two thousand, five hundred thirty-four".