1641201627 has 16 divisors (see below), whose sum is σ = 2480629760. Its totient is φ = 956813472.

The previous prime is 1641201599. The next prime is 1641201629. The reversal of 1641201627 is 7261021461.

It is not a de Polignac number, because 1641201627 - 2⁸ = 1641201371 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1641201594 and 1641201603.

It is not an unprimeable number, because it can be changed into a prime (1641201629) 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, 1106683 + ... + 1108164.

It is an arithmetic number, because the mean of its divisors is an integer number (155039360).

Almost surely, 2^1641201627 is an apocalyptic number.

1641201627 is a deficient number, since it is larger than the sum of its proper divisors (839428133).

1641201627 is a wasteful number, since it uses less digits than its factorization.

1641201627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214882.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1641201627 is about 40511.7467779408. The cubic root of 1641201627 is about 1179.5616553882.

The spelling of 1641201627 in words is "one billion, six hundred forty-one million, two hundred one thousand, six hundred twenty-seven".