664950147036 has 72 divisors (see below), whose sum is σ = 1812611258640. Its totient is φ = 189170327808.

The previous prime is 664950147013. The next prime is 664950147047. The reversal of 664950147036 is 630741059466.

664950147036 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 664950147036.

It is a congruent 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, 2289751 + ... + 2563758.

It is an arithmetic number, because the mean of its divisors is an integer number (25175156370).

Almost surely, 2^664950147036 is an apocalyptic number.

It is an amenable number.

664950147036 is an abundant number, since it is smaller than the sum of its proper divisors (1147661111604).

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

664950147036 is a wasteful number, since it uses less digits than its factorization.

664950147036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853763 (or 4853754 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 664950147036 in words is "six hundred sixty-four billion, nine hundred fifty million, one hundred forty-seven thousand, thirty-six".