66244244600004 has 48 divisors (see below), whose sum is σ = 154647385368000. Its totient is φ = 22070346984576.

The previous prime is 66244244599927. The next prime is 66244244600057. The reversal of 66244244600004 is 40000644244266.

It is a super-3 number, since 3×66244244600004³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 919040014 + ... + 919112090.

It is an arithmetic number, because the mean of its divisors is an integer number (3221820528500).

Almost surely, 2^{66244244600004} is an apocalyptic number.

It is an amenable number.

66244244600004 is an abundant number, since it is smaller than the sum of its proper divisors (88403140767996).

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

66244244600004 is a wasteful number, since it uses less digits than its factorization.

66244244600004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109412 (or 109410 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 42.

The spelling of 66244244600004 in words is "sixty-six trillion, two hundred forty-four billion, two hundred forty-four million, six hundred thousand, four".