66150156242368 has 56 divisors (see below), whose sum is σ = 143208889593840. Its totient is φ = 30066397624320.

The previous prime is 66150156242353. The next prime is 66150156242371. The reversal of 66150156242368 is 86324265105166.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8551468 + ... + 14332756.

It is an arithmetic number, because the mean of its divisors is an integer number (2557301599890).

Almost surely, 2^{66150156242368} is an apocalyptic number.

It is an amenable number.

66150156242368 is an abundant number, since it is smaller than the sum of its proper divisors (77058733351472).

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

66150156242368 is a wasteful number, since it uses less digits than its factorization.

66150156242368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5797565 (or 5797555 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 55.

The spelling of 66150156242368 in words is "sixty-six trillion, one hundred fifty billion, one hundred fifty-six million, two hundred forty-two thousand, three hundred sixty-eight".