162191481144434 has 32 divisors (see below), whose sum is σ = 278372206742400. Its totient is φ = 69428253444480.

The previous prime is 162191481144421. The next prime is 162191481144443. The reversal of 162191481144434 is 434441184191261.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53311169 + ... + 56271339.

It is an arithmetic number, because the mean of its divisors is an integer number (8699131460700).

Almost surely, 2^{162191481144434} is an apocalyptic number.

162191481144434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

162191481144434 is a deficient number, since it is larger than the sum of its proper divisors (116180725597966).

162191481144434 is a wasteful number, since it uses less digits than its factorization.

162191481144434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2964818.

The product of its digits is 2654208, while the sum is 53.

The spelling of 162191481144434 in words is "one hundred sixty-two trillion, one hundred ninety-one billion, four hundred eighty-one million, one hundred forty-four thousand, four hundred thirty-four".