161403270008 has 16 divisors (see below), whose sum is σ = 303700503480. Its totient is φ = 80416469088.

The previous prime is 161403269987. The next prime is 161403270011. The reversal of 161403270008 is 800072304161.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35643335 + ... + 35647862.

Almost surely, 2^161403270008 is an apocalyptic number.

It is an amenable number.

161403270008 is a deficient number, since it is larger than the sum of its proper divisors (142297233472).

161403270008 is a wasteful number, since it uses less digits than its factorization.

161403270008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71291486 (or 71291482 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

Adding to 161403270008 its reverse (800072304161), we get a palindrome (961475574169).

The spelling of 161403270008 in words is "one hundred sixty-one billion, four hundred three million, two hundred seventy thousand, eight".