1641025627 has 4 divisors (see below), whose sum is σ = 1664138736. Its totient is φ = 1617912520.

The previous prime is 1641025621. The next prime is 1641025637. The reversal of 1641025627 is 7265201461.

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 1641025627 - 2⁷ = 1641025499 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1641025592 and 1641025601.

It is not an unprimeable number, because it can be changed into a prime (1641025621) 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, 11556448 + ... + 11556589.

It is an arithmetic number, because the mean of its divisors is an integer number (416034684).

Almost surely, 2^1641025627 is an apocalyptic number.

1641025627 is a deficient number, since it is larger than the sum of its proper divisors (23113109).

1641025627 is an equidigital number, since it uses as much as digits as its factorization.

1641025627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23113108.

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1641025627 is about 40509.5745102315. The cubic root of 1641025627 is about 1179.5194890735.

The spelling of 1641025627 in words is "one billion, six hundred forty-one million, twenty-five thousand, six hundred twenty-seven".