163214855438 has 8 divisors (see below), whose sum is σ = 248971813560. Its totient is φ = 80224250920.

The previous prime is 163214855429. The next prime is 163214855471. The reversal of 163214855438 is 834558412361.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

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, 691588253 + ... + 691588488.

It is an arithmetic number, because the mean of its divisors is an integer number (31121476695).

Almost surely, 2^163214855438 is an apocalyptic number.

163214855438 is a deficient number, since it is larger than the sum of its proper divisors (85756958122).

163214855438 is a wasteful number, since it uses less digits than its factorization.

163214855438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383176802.

The product of its digits is 2764800, while the sum is 50.

The spelling of 163214855438 in words is "one hundred sixty-three billion, two hundred fourteen million, eight hundred fifty-five thousand, four hundred thirty-eight".