12623571662 has 16 divisors (see below), whose sum is σ = 20866156080. Its totient is φ = 5690768832.

The previous prime is 12623571661. The next prime is 12623571673. The reversal of 12623571662 is 26617532621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12623571661) 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, 5644487 + ... + 5646722.

It is an arithmetic number, because the mean of its divisors is an integer number (1304134755).

Almost surely, 2^12623571662 is an apocalyptic number.

12623571662 is a deficient number, since it is larger than the sum of its proper divisors (8242584418).

12623571662 is a wasteful number, since it uses less digits than its factorization.

12623571662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11291267.

The product of its digits is 181440, while the sum is 41.

The spelling of 12623571662 in words is "twelve billion, six hundred twenty-three million, five hundred seventy-one thousand, six hundred sixty-two".