66347992238046 has 32 divisors (see below), whose sum is σ = 132810108779520. Its totient is φ = 22096984384896.

The previous prime is 66347992238039. The next prime is 66347992238053. The reversal of 66347992238046 is 64083229974366.

It is an interprime number because it is at equal distance from previous prime (66347992238039) and next prime (66347992238053).

It is a congruent number.

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, 33644275 + ... + 35561681.

It is an arithmetic number, because the mean of its divisors is an integer number (4150315899360).

Almost surely, 2^{66347992238046} is an apocalyptic number.

66347992238046 is an abundant number, since it is smaller than the sum of its proper divisors (66462116541474).

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

66347992238046 is a wasteful number, since it uses less digits than its factorization.

66347992238046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922368.

The product of its (nonzero) digits is 564350976, while the sum is 69.

The spelling of 66347992238046 in words is "sixty-six trillion, three hundred forty-seven billion, nine hundred ninety-two million, two hundred thirty-eight thousand, forty-six".