1406611446266 has 16 divisors (see below), whose sum is σ = 2279477987304. Its totient is φ = 647131140864.

The previous prime is 1406611446263. The next prime is 1406611446283. The reversal of 1406611446266 is 6626441166041.

It can be written as a sum of positive squares in 4 ways, for example, as 654757707241 + 751853739025 = 809171^2 + 867095^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1406611446266.

It is not an unprimeable number, because it can be changed into a prime (1406611446263) 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, 86414291 + ... + 86430566.

Almost surely, 2^{1406611446266} is an apocalyptic number.

1406611446266 is a deficient number, since it is larger than the sum of its proper divisors (872866541038).

1406611446266 is a wasteful number, since it uses less digits than its factorization.

1406611446266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172845185.

The product of its (nonzero) digits is 995328, while the sum is 47.

The spelling of 1406611446266 in words is "one trillion, four hundred six billion, six hundred eleven million, four hundred forty-six thousand, two hundred sixty-six".