1626650065345 has 16 divisors (see below), whose sum is σ = 1961646964992. Its totient is φ = 1294890030720.

The previous prime is 1626650065321. The next prime is 1626650065349. The reversal of 1626650065345 is 5435600566261.

It is not a de Polignac number, because 1626650065345 - 2¹⁵ = 1626650032577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1626650065349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16537 + ... + 1803766.

It is an arithmetic number, because the mean of its divisors is an integer number (122602935312).

Almost surely, 2^{1626650065345} is an apocalyptic number.

It is an amenable number.

1626650065345 is a deficient number, since it is larger than the sum of its proper divisors (334996899647).

1626650065345 is a wasteful number, since it uses less digits than its factorization.

1626650065345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1821192.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 1626650065345 in words is "one trillion, six hundred twenty-six billion, six hundred fifty million, sixty-five thousand, three hundred forty-five".