626405332066 has 16 divisors (see below), whose sum is σ = 962121245184. Its totient is φ = 305708279184.

The previous prime is 626405332039. The next prime is 626405332079. The reversal of 626405332066 is 660233504626.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2381506 + ... + 2631421.

It is an arithmetic number, because the mean of its divisors is an integer number (60132577824).

Almost surely, 2^626405332066 is an apocalyptic number.

626405332066 is a deficient number, since it is larger than the sum of its proper divisors (335715913118).

626405332066 is a wasteful number, since it uses less digits than its factorization.

626405332066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5014425.

The product of its (nonzero) digits is 933120, while the sum is 43.

The spelling of 626405332066 in words is "six hundred twenty-six billion, four hundred five million, three hundred thirty-two thousand, sixty-six".