655216651002 has 32 divisors (see below), whose sum is σ = 1311517533312. Its totient is φ = 218224917504.

The previous prime is 655216650989. The next prime is 655216651051. The reversal of 655216651002 is 200156612556.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62652958 + ... + 62663414.

It is an arithmetic number, because the mean of its divisors is an integer number (40984922916).

Almost surely, 2^655216651002 is an apocalyptic number.

655216651002 is an abundant number, since it is smaller than the sum of its proper divisors (656300882310).

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

655216651002 is a wasteful number, since it uses less digits than its factorization.

655216651002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18102.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 655216651002 in words is "six hundred fifty-five billion, two hundred sixteen million, six hundred fifty-one thousand, two".