64446663161463 has 16 divisors (see below), whose sum is σ = 98674316803200. Its totient is φ = 37002868800480.

The previous prime is 64446663161459. The next prime is 64446663161483. The reversal of 64446663161463 is 36416136664446.

It is not a de Polignac number, because 64446663161463 - 2² = 64446663161459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64446663161397 and 64446663161406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64446663161453) 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, 51392872708 + ... + 51392873961.

It is an arithmetic number, because the mean of its divisors is an integer number (6167144800200).

Almost surely, 2^{64446663161463} is an apocalyptic number.

64446663161463 is a deficient number, since it is larger than the sum of its proper divisors (34227653641737).

64446663161463 is a wasteful number, since it uses less digits than its factorization.

64446663161463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102785746702.

The product of its digits is 107495424, while the sum is 60.

The spelling of 64446663161463 in words is "sixty-four trillion, four hundred forty-six billion, six hundred sixty-three million, one hundred sixty-one thousand, four hundred sixty-three".