354163881555 has 48 divisors (see below), whose sum is σ = 672493985280. Its totient is φ = 170997288000.

The previous prime is 354163881523. The next prime is 354163881569. The reversal of 354163881555 is 555188361453.

354163881555 is a `hidden beast` number, since 3 + 5 + 4 + 1 + 6 + 3 + 8 + 81 + 555 = 666.

It is not a de Polignac number, because 354163881555 - 2⁵ = 354163881523 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1378521 + ... + 1615130.

It is an arithmetic number, because the mean of its divisors is an integer number (14010291360).

Almost surely, 2^354163881555 is an apocalyptic number.

354163881555 is a deficient number, since it is larger than the sum of its proper divisors (318330103725).

354163881555 is a wasteful number, since it uses less digits than its factorization.

354163881555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2993912 (or 2993909 counting only the distinct ones).

The product of its digits is 8640000, while the sum is 54.

The spelling of 354163881555 in words is "three hundred fifty-four billion, one hundred sixty-three million, eight hundred eighty-one thousand, five hundred fifty-five".