12480167661 has 32 divisors (see below), whose sum is σ = 18572991360. Its totient is φ = 7401348864.

The previous prime is 12480167641. The next prime is 12480167663. The reversal of 12480167661 is 16676108421.

It is not a de Polignac number, because 12480167661 - 2⁵ = 12480167629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12480167663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 608571 + ... + 628743.

It is an arithmetic number, because the mean of its divisors is an integer number (580405980).

Almost surely, 2^12480167661 is an apocalyptic number.

It is an amenable number.

12480167661 is a deficient number, since it is larger than the sum of its proper divisors (6092823699).

12480167661 is a wasteful number, since it uses less digits than its factorization.

12480167661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20765.

The product of its (nonzero) digits is 96768, while the sum is 42.

The spelling of 12480167661 in words is "twelve billion, four hundred eighty million, one hundred sixty-seven thousand, six hundred sixty-one".