646368200097 has 8 divisors (see below), whose sum is σ = 861830185440. Its totient is φ = 430909174080.

The previous prime is 646368200089. The next prime is 646368200113. The reversal of 646368200097 is 790002863646.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 646368200097 - 2³ = 646368200089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (646368200017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166779 + ... + 1149152.

It is an arithmetic number, because the mean of its divisors is an integer number (107728773180).

Almost surely, 2^646368200097 is an apocalyptic number.

It is an amenable number.

646368200097 is a deficient number, since it is larger than the sum of its proper divisors (215461985343).

646368200097 is a wasteful number, since it uses less digits than its factorization.

646368200097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1479663.

The product of its (nonzero) digits is 2612736, while the sum is 51.

The spelling of 646368200097 in words is "six hundred forty-six billion, three hundred sixty-eight million, two hundred thousand, ninety-seven".