163409225799142 has 4 divisors (see below), whose sum is σ = 245113838698716. Its totient is φ = 81704612899570.

The previous prime is 163409225799137. The next prime is 163409225799151. The reversal of 163409225799142 is 241997522904361.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40852306449784 + ... + 40852306449787.

It is an arithmetic number, because the mean of its divisors is an integer number (61278459674679).

Almost surely, 2^{163409225799142} is an apocalyptic number.

163409225799142 is a deficient number, since it is larger than the sum of its proper divisors (81704612899574).

163409225799142 is an equidigital number, since it uses as much as digits as its factorization.

163409225799142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81704612899573.

The product of its (nonzero) digits is 58786560, while the sum is 64.

The spelling of 163409225799142 in words is "one hundred sixty-three trillion, four hundred nine billion, two hundred twenty-five million, seven hundred ninety-nine thousand, one hundred forty-two".