662220045645100 has 72 divisors (see below), whose sum is σ = 1516538561101200. Its totient is φ = 250301436537600.

The previous prime is 662220045645097. The next prime is 662220045645131. The reversal of 662220045645100 is 1546540022266.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 447251731 + ... + 448729930.

It is an arithmetic number, because the mean of its divisors is an integer number (21063035570850).

Almost surely, 2^{662220045645100} is an apocalyptic number.

It is an amenable number.

662220045645100 is an abundant number, since it is smaller than the sum of its proper divisors (854318515456100).

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

662220045645100 is a wasteful number, since it uses less digits than its factorization.

662220045645100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895982083 (or 895982076 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 43.

Adding to 662220045645100 its reverse (1546540022266), we get a palindrome (663766585667366).

The spelling of 662220045645100 in words is "six hundred sixty-two trillion, two hundred twenty billion, forty-five million, six hundred forty-five thousand, one hundred".