1607421656627 has 4 divisors (see below), whose sum is σ = 1617046936176. Its totient is φ = 1597796377080.

The previous prime is 1607421656611. The next prime is 1607421656647. The reversal of 1607421656627 is 7266561247061.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1607421656627 - 2⁴ = 1607421656611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1607421656647) 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, 4812639524 + ... + 4812639857.

It is an arithmetic number, because the mean of its divisors is an integer number (404261734044).

Almost surely, 2^{1607421656627} is an apocalyptic number.

1607421656627 is a deficient number, since it is larger than the sum of its proper divisors (9625279549).

1607421656627 is an equidigital number, since it uses as much as digits as its factorization.

1607421656627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9625279548.

The product of its (nonzero) digits is 5080320, while the sum is 53.

The spelling of 1607421656627 in words is "one trillion, six hundred seven billion, four hundred twenty-one million, six hundred fifty-six thousand, six hundred twenty-seven".