354163881637 has 8 divisors (see below), whose sum is σ = 363779260416. Its totient is φ = 344550786192.

The previous prime is 354163881629. The next prime is 354163881641. The reversal of 354163881637 is 736188361453.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 354163881637 - 2³ = 354163881629 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354163882637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254053 + ... + 879130.

It is an arithmetic number, because the mean of its divisors is an integer number (45472407552).

Almost surely, 2^354163881637 is an apocalyptic number.

354163881637 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

354163881637 is a deficient number, since it is larger than the sum of its proper divisors (9615378779).

354163881637 is a wasteful number, since it uses less digits than its factorization.

354163881637 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141667.

The product of its digits is 8709120, while the sum is 55.

The spelling of 354163881637 in words is "three hundred fifty-four billion, one hundred sixty-three million, eight hundred eighty-one thousand, six hundred thirty-seven".