1620848226 has 64 divisors (see below), whose sum is σ = 3469713408. Its totient is φ = 503625408.

The previous prime is 1620848213. The next prime is 1620848227. The reversal of 1620848226 is 6228480261.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1620848227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1220775 + ... + 1222101.

It is an arithmetic number, because the mean of its divisors is an integer number (54214272).

Almost surely, 2^1620848226 is an apocalyptic number.

1620848226 is an abundant number, since it is smaller than the sum of its proper divisors (1848865182).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1620848226 is a wasteful number, since it uses less digits than its factorization.

1620848226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1575.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 1620848226 is about 40259.7593882527. The cubic root of 1620848226 is about 1174.6652376050.

The spelling of 1620848226 in words is "one billion, six hundred twenty million, eight hundred forty-eight thousand, two hundred twenty-six".