66233424263461 has 12 divisors (see below), whose sum is σ = 82973740286892. Its totient is φ = 52404467548608.

The previous prime is 66233424263429. The next prime is 66233424263483. The reversal of 66233424263461 is 16436242433266.

It can be written as a sum of positive squares in 2 ways, for example, as 31591076912836 + 34642347350625 = 5620594^2 + 5885775^2 .

It is not a de Polignac number, because 66233424263461 - 2⁵ = 66233424263429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66233424263399 and 66233424263408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66233424263401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51988558440 + ... + 51988559713.

It is an arithmetic number, because the mean of its divisors is an integer number (6914478357241).

Almost surely, 2^{66233424263461} is an apocalyptic number.

It is an amenable number.

66233424263461 is a deficient number, since it is larger than the sum of its proper divisors (16740316023431).

66233424263461 is a wasteful number, since it uses less digits than its factorization.

66233424263461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103977118180 (or 103977118173 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 52.

The spelling of 66233424263461 in words is "sixty-six trillion, two hundred thirty-three billion, four hundred twenty-four million, two hundred sixty-three thousand, four hundred sixty-one".