1606266770253 has 4 divisors (see below), whose sum is σ = 2141689027008. Its totient is φ = 1070844513500.

The previous prime is 1606266770243. The next prime is 1606266770261. The reversal of 1606266770253 is 3520776626061.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1606266770253 - 2⁴ = 1606266770237 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1606266770196 and 1606266770205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606266770243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267711128373 + ... + 267711128378.

It is an arithmetic number, because the mean of its divisors is an integer number (535422256752).

Almost surely, 2^{1606266770253} is an apocalyptic number.

It is an amenable number.

1606266770253 is a deficient number, since it is larger than the sum of its proper divisors (535422256755).

1606266770253 is an equidigital number, since it uses as much as digits as its factorization.

1606266770253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535422256754.

The product of its (nonzero) digits is 3810240, while the sum is 51.

The spelling of 1606266770253 in words is "one trillion, six hundred six billion, two hundred sixty-six million, seven hundred seventy thousand, two hundred fifty-three".