6623148646401 has 16 divisors (see below), whose sum is σ = 10327124358144. Its totient is φ = 3696641104464.

The previous prime is 6623148646399. The next prime is 6623148646469. The reversal of 6623148646401 is 1046468413266.

It is not a de Polignac number, because 6623148646401 - 2¹ = 6623148646399 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6623148626401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3667301781 + ... + 3667303586.

It is an arithmetic number, because the mean of its divisors is an integer number (645445272384).

Almost surely, 2^{6623148646401} is an apocalyptic number.

It is an amenable number.

6623148646401 is a deficient number, since it is larger than the sum of its proper divisors (3703975711743).

6623148646401 is a wasteful number, since it uses less digits than its factorization.

6623148646401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7334605420.

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 6623148646401 in words is "six trillion, six hundred twenty-three billion, one hundred forty-eight million, six hundred forty-six thousand, four hundred one".