66424340610633 has 8 divisors (see below), whose sum is σ = 88569621756000. Its totient is φ = 44280976602848.

The previous prime is 66424340610623. The next prime is 66424340610643. The reversal of 66424340610633 is 33601604342466.

It is an interprime number because it is at equal distance from previous prime (66424340610623) and next prime (66424340610643).

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

It is a cyclic number.

It is not a de Polignac number, because 66424340610633 - 2⁵ = 66424340610601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66424340610623) 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, 479203548 + ... + 479342141.

It is an arithmetic number, because the mean of its divisors is an integer number (11071202719500).

Almost surely, 2^{66424340610633} is an apocalyptic number.

It is an amenable number.

66424340610633 is a deficient number, since it is larger than the sum of its proper divisors (22145281145367).

66424340610633 is a wasteful number, since it uses less digits than its factorization.

66424340610633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958568791.

The product of its (nonzero) digits is 4478976, while the sum is 48.

The spelling of 66424340610633 in words is "sixty-six trillion, four hundred twenty-four billion, three hundred forty million, six hundred ten thousand, six hundred thirty-three".