64118422763502 has 16 divisors (see below), whose sum is σ = 134986153186560. Its totient is φ = 20247922977912.

The previous prime is 64118422763491. The next prime is 64118422763503. The reversal of 64118422763502 is 20536722481146.

It is a super-2 number, since 2×64118422763502² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64118422763503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281221152358 + ... + 281221152585.

It is an arithmetic number, because the mean of its divisors is an integer number (8436634574160).

Almost surely, 2^{64118422763502} is an apocalyptic number.

64118422763502 is an abundant number, since it is smaller than the sum of its proper divisors (70867730423058).

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

64118422763502 is a wasteful number, since it uses less digits than its factorization.

64118422763502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562442304967.

The product of its (nonzero) digits is 3870720, while the sum is 51.

The spelling of 64118422763502 in words is "sixty-four trillion, one hundred eighteen billion, four hundred twenty-two million, seven hundred sixty-three thousand, five hundred two".