645214166476 has 24 divisors (see below), whose sum is σ = 1232979022800. Its totient is φ = 292991899200.

The previous prime is 645214166423. The next prime is 645214166497. The reversal of 645214166476 is 674661412546.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7136251 + ... + 7226098.

It is an arithmetic number, because the mean of its divisors is an integer number (51374125950).

Almost surely, 2^645214166476 is an apocalyptic number.

It is an amenable number.

645214166476 is a deficient number, since it is larger than the sum of its proper divisors (587764856324).

645214166476 is a wasteful number, since it uses less digits than its factorization.

645214166476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14363385 (or 14363383 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 52.

The spelling of 645214166476 in words is "six hundred forty-five billion, two hundred fourteen million, one hundred sixty-six thousand, four hundred seventy-six".