64467207936 has 252 divisors, whose sum is σ = 203101303720. Its totient is φ = 20356945920.

The previous prime is 64467207923. The next prime is 64467207947. The reversal of 64467207936 is 63970276446.

64467207936 is a `hidden beast` number, since 64 + 467 + 20 + 79 + 36 = 666.

It is a super-2 number, since 2×64467207936² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 3536766 + ... + 3554946.

Almost surely, 2^64467207936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64467207936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101550651860).

64467207936 is an abundant number, since it is smaller than the sum of its proper divisors (138634095784).

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

64467207936 is an equidigital number, since it uses as much as digits as its factorization.

64467207936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18234 (or 18205 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 64467207936 in words is "sixty-four billion, four hundred sixty-seven million, two hundred seven thousand, nine hundred thirty-six".