63145266345466 has 48 divisors (see below), whose sum is σ = 100817031913920. Its totient is φ = 29656671341760.

The previous prime is 63145266345433. The next prime is 63145266345467. The reversal of 63145266345466 is 66454366254136.

It is a happy number.

It is a super-3 number, since 3×63145266345466³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (63145266345467) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75959035 + ... + 76785841.

It is an arithmetic number, because the mean of its divisors is an integer number (2100354831540).

Almost surely, 2^{63145266345466} is an apocalyptic number.

63145266345466 is a deficient number, since it is larger than the sum of its proper divisors (37671765568454).

63145266345466 is a wasteful number, since it uses less digits than its factorization.

63145266345466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827747 (or 827728 counting only the distinct ones).

The product of its digits is 223948800, while the sum is 61.

The spelling of 63145266345466 in words is "sixty-three trillion, one hundred forty-five billion, two hundred sixty-six million, three hundred forty-five thousand, four hundred sixty-six".