66233213461401 has 32 divisors (see below), whose sum is σ = 101436392601600. Its totient is φ = 37656462957696.

The previous prime is 66233213461391. The next prime is 66233213461403. The reversal of 66233213461401 is 10416431233266.

It is not a de Polignac number, because 66233213461401 - 2²² = 66233209267097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66233213461403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 200330710 + ... + 200661056.

It is an arithmetic number, because the mean of its divisors is an integer number (3169887268800).

Almost surely, 2^{66233213461401} is an apocalyptic number.

It is an amenable number.

66233213461401 is a deficient number, since it is larger than the sum of its proper divisors (35203179140199).

66233213461401 is a wasteful number, since it uses less digits than its factorization.

66233213461401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378533.

The product of its (nonzero) digits is 373248, while the sum is 42.

Adding to 66233213461401 its reverse (10416431233266), we get a palindrome (76649644694667).

The spelling of 66233213461401 in words is "sixty-six trillion, two hundred thirty-three billion, two hundred thirteen million, four hundred sixty-one thousand, four hundred one".