1412266451661 has 48 divisors (see below), whose sum is σ = 2218650157360. Its totient is φ = 860508334080.

The previous prime is 1412266451639. The next prime is 1412266451681. The reversal of 1412266451661 is 1661546622141.

1412266451661 is a `hidden beast` number, since 1 + 4 + 12 + 2 + 6 + 64 + 516 + 61 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 21588718761 + 1390677732900 = 146931^2 + 1179270^2 .

It is not a de Polignac number, because 1412266451661 - 2²⁹ = 1411729580749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1412266451681) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4703925 + ... + 4995141.

Almost surely, 2^{1412266451661} is an apocalyptic number.

It is an amenable number.

1412266451661 is a deficient number, since it is larger than the sum of its proper divisors (806383705699).

1412266451661 is a wasteful number, since it uses less digits than its factorization.

1412266451661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291646 (or 291643 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 1412266451661 in words is "one trillion, four hundred twelve billion, two hundred sixty-six million, four hundred fifty-one thousand, six hundred sixty-one".