63201665384 has 64 divisors (see below), whose sum is σ = 140898018240. Its totient is φ = 26198645760.

The previous prime is 63201665383. The next prime is 63201665407. The reversal of 63201665384 is 48356610236.

It is a happy number.

It is a super-2 number, since 2×63201665384² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (63201665383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237857 + ... + 427760.

It is an arithmetic number, because the mean of its divisors is an integer number (2201531535).

Almost surely, 2^63201665384 is an apocalyptic number.

It is an amenable number.

63201665384 is an abundant number, since it is smaller than the sum of its proper divisors (77696352856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63201665384 is a wasteful number, since it uses less digits than its factorization.

63201665384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665730 (or 665726 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 63201665384 in words is "sixty-three billion, two hundred one million, six hundred sixty-five thousand, three hundred eighty-four".