161342264398 has 32 divisors (see below), whose sum is σ = 277891054848. Its totient is φ = 68820796800.

The previous prime is 161342264393. The next prime is 161342264423. The reversal of 161342264398 is 893462243161.

161342264398 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161342264393) 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 15 ways as a sum of consecutive naturals, for example, 14489293 + ... + 14500423.

It is an arithmetic number, because the mean of its divisors is an integer number (8684095464).

Almost surely, 2^161342264398 is an apocalyptic number.

161342264398 is a deficient number, since it is larger than the sum of its proper divisors (116548790450).

161342264398 is a wasteful number, since it uses less digits than its factorization.

161342264398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15928.

The product of its digits is 1492992, while the sum is 49.

The spelling of 161342264398 in words is "one hundred sixty-one billion, three hundred forty-two million, two hundred sixty-four thousand, three hundred ninety-eight".