6419225237161 has 15 divisors (see below), whose sum is σ = 7061441155405. Its totient is φ = 5835380608420.

The previous prime is 6419225237119. The next prime is 6419225237167. The reversal of 6419225237161 is 1617325229146.

The square root of 6419225237161 is 2533619.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 6419225237161 - 2³⁵ = 6384865498793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6419225237167) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 306557430 + ... + 306578368.

Almost surely, 2^{6419225237161} is an apocalyptic number.

6419225237161 is the 2533619-th square number.

6419225237161 is the 1266810-th centered octagonal number.

It is an amenable number.

6419225237161 is a deficient number, since it is larger than the sum of its proper divisors (642215918244).

6419225237161 is an frugal number, since it uses more digits than its factorization.

6419225237161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41922 (or 20950 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 49.

Multiplying 6419225237161 by its sum of digits (49), we get a square (314542036620889 = 17735333²).

The spelling of 6419225237161 in words is "six trillion, four hundred nineteen billion, two hundred twenty-five million, two hundred thirty-seven thousand, one hundred sixty-one".