66364060312506 has 32 divisors (see below), whose sum is σ = 144843782335488. Its totient is φ = 20103450622640.

The previous prime is 66364060312489. The next prime is 66364060312523. The reversal of 66364060312506 is 60521306046366.

It is an interprime number because it is at equal distance from previous prime (66364060312489) and next prime (66364060312523).

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, 171572460 + ... + 171958823.

It is an arithmetic number, because the mean of its divisors is an integer number (4526368197984).

Almost surely, 2^{66364060312506} is an apocalyptic number.

66364060312506 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

66364060312506 is an abundant number, since it is smaller than the sum of its proper divisors (78479722022982).

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

66364060312506 is a wasteful number, since it uses less digits than its factorization.

66364060312506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343534226.

The product of its (nonzero) digits is 2799360, while the sum is 48.

The spelling of 66364060312506 in words is "sixty-six trillion, three hundred sixty-four billion, sixty million, three hundred twelve thousand, five hundred six".