34553166621 has 8 divisors (see below), whose sum is σ = 48780941184. Its totient is φ = 21680418240.

The previous prime is 34553166619. The next prime is 34553166643. The reversal of 34553166621 is 12666135543.

34553166621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 34553166621 - 2¹ = 34553166619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34553166671) 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, 338756485 + ... + 338756586.

It is an arithmetic number, because the mean of its divisors is an integer number (6097617648).

Almost surely, 2^34553166621 is an apocalyptic number.

It is an amenable number.

34553166621 is a deficient number, since it is larger than the sum of its proper divisors (14227774563).

34553166621 is a wasteful number, since it uses less digits than its factorization.

34553166621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677513091.

The product of its digits is 388800, while the sum is 42.

The spelling of 34553166621 in words is "thirty-four billion, five hundred fifty-three million, one hundred sixty-six thousand, six hundred twenty-one".