1646054212 has 12 divisors (see below), whose sum is σ = 3142467216. Its totient is φ = 748206440.

The previous prime is 1646054203. The next prime is 1646054219. The reversal of 1646054212 is 2124506461.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1646054219) 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 3 ways as a sum of consecutive naturals, for example, 18705118 + ... + 18705205.

It is an arithmetic number, because the mean of its divisors is an integer number (261872268).

Almost surely, 2^1646054212 is an apocalyptic number.

It is an amenable number.

1646054212 is a deficient number, since it is larger than the sum of its proper divisors (1496413004).

1646054212 is a wasteful number, since it uses less digits than its factorization.

1646054212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37410338 (or 37410336 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1646054212 is about 40571.5936586178. The cubic root of 1646054212 is about 1180.7230587142.

The spelling of 1646054212 in words is "one billion, six hundred forty-six million, fifty-four thousand, two hundred twelve".