621414166066 has 8 divisors (see below), whose sum is σ = 932176905264. Its totient is φ = 310688530980.

The previous prime is 621414166001. The next prime is 621414166069. The reversal of 621414166066 is 660661414126.

It is a happy number.

621414166066 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 an unprimeable number, because it can be changed into a prime (621414166069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9234120 + ... + 9301171.

It is an arithmetic number, because the mean of its divisors is an integer number (116522113158).

Almost surely, 2^621414166066 is an apocalyptic number.

621414166066 is a deficient number, since it is larger than the sum of its proper divisors (310762739198).

621414166066 is a wasteful number, since it uses less digits than its factorization.

621414166066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18552056.

The product of its (nonzero) digits is 248832, while the sum is 43.

The spelling of 621414166066 in words is "six hundred twenty-one billion, four hundred fourteen million, one hundred sixty-six thousand, sixty-six".