163201308478 has 32 divisors (see below), whose sum is σ = 272253284352. Its totient is φ = 72862783200.

The previous prime is 163201308467. The next prime is 163201308497. The reversal of 163201308478 is 874803102361.

It is a congruent number.

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, 1901275 + ... + 1985257.

It is an arithmetic number, because the mean of its divisors is an integer number (8507915136).

Almost surely, 2^163201308478 is an apocalyptic number.

163201308478 is a deficient number, since it is larger than the sum of its proper divisors (109051975874).

163201308478 is a wasteful number, since it uses less digits than its factorization.

163201308478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86440.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 163201308478 in words is "one hundred sixty-three billion, two hundred one million, three hundred eight thousand, four hundred seventy-eight".