66100856365150 has 24 divisors (see below), whose sum is σ = 124963127153784. Its totient is φ = 26006894306400.

The previous prime is 66100856365147. The next prime is 66100856365259. The reversal of 66100856365150 is 5156365800166.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10836202912 + ... + 10836209011.

It is an arithmetic number, because the mean of its divisors is an integer number (5206796964741).

Almost surely, 2^{66100856365150} is an apocalyptic number.

66100856365150 is a deficient number, since it is larger than the sum of its proper divisors (58862270788634).

66100856365150 is a wasteful number, since it uses less digits than its factorization.

66100856365150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21672411996 (or 21672411991 counting only the distinct ones).

The product of its (nonzero) digits is 3888000, while the sum is 52.

The spelling of 66100856365150 in words is "sixty-six trillion, one hundred billion, eight hundred fifty-six million, three hundred sixty-five thousand, one hundred fifty".