66553247417313 has 8 divisors (see below), whose sum is σ = 88739654687008. Its totient is φ = 44367835879584.

The previous prime is 66553247417303. The next prime is 66553247417323. The reversal of 66553247417313 is 31371474235566.

It is an interprime number because it is at equal distance from previous prime (66553247417303) and next prime (66553247417323).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 66553247417313 - 2⁴ = 66553247417297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66553247417303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 248777020 + ... + 249044397.

It is an arithmetic number, because the mean of its divisors is an integer number (11092456835876).

Almost surely, 2^{66553247417313} is an apocalyptic number.

It is an amenable number.

66553247417313 is a deficient number, since it is larger than the sum of its proper divisors (22186407269695).

66553247417313 is a wasteful number, since it uses less digits than its factorization.

66553247417313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497865983.

The product of its digits is 38102400, while the sum is 57.

The spelling of 66553247417313 in words is "sixty-six trillion, five hundred fifty-three billion, two hundred forty-seven million, four hundred seventeen thousand, three hundred thirteen".