66365155156366 has 16 divisors (see below), whose sum is σ = 109651871541888. Its totient is φ = 29873106027000.

The previous prime is 66365155156303. The next prime is 66365155156457.

66365155156366 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 66365155156298 and 66365155156307.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14643677160 + ... + 14643681691.

It is an arithmetic number, because the mean of its divisors is an integer number (6853241971368).

Almost surely, 2^{66365155156366} is an apocalyptic number.

66365155156366 is a deficient number, since it is larger than the sum of its proper divisors (43286716385522).

66365155156366 is a wasteful number, since it uses less digits than its factorization.

66365155156366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29287358967.

The product of its digits is 262440000, while the sum is 64.

The spelling of 66365155156366 in words is "sixty-six trillion, three hundred sixty-five billion, one hundred fifty-five million, one hundred fifty-six thousand, three hundred sixty-six".