64603166130646 has 64 divisors (see below), whose sum is σ = 116248057402176. Its totient is φ = 26539758950400.

The previous prime is 64603166130637. The next prime is 64603166130647.

64603166130646 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 64603166130593 and 64603166130602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64603166130647) 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, 8432845 + ... + 14153416.

It is an arithmetic number, because the mean of its divisors is an integer number (1816375896909).

Almost surely, 2^{64603166130646} is an apocalyptic number.

64603166130646 is a deficient number, since it is larger than the sum of its proper divisors (51644891271530).

64603166130646 is a wasteful number, since it uses less digits than its factorization.

64603166130646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22586497.

The product of its (nonzero) digits is 6718464, while the sum is 52.

The spelling of 64603166130646 in words is "sixty-four trillion, six hundred three billion, one hundred sixty-six million, one hundred thirty thousand, six hundred forty-six".