64016429472 has 72 divisors (see below), whose sum is σ = 187919222400. Its totient is φ = 20650458240.

The previous prime is 64016429461. The next prime is 64016429479. The reversal of 64016429472 is 27492461046.

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (64016429479) 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 11 ways as a sum of consecutive naturals, for example, 3576222 + ... + 3594077.

It is an arithmetic number, because the mean of its divisors is an integer number (2609989200).

Almost surely, 2^64016429472 is an apocalyptic number.

64016429472 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

64016429472 is an abundant number, since it is smaller than the sum of its proper divisors (123902792928).

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

64016429472 is a wasteful number, since it uses less digits than its factorization.

64016429472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170346 (or 7170335 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 64016429472 in words is "sixty-four billion, sixteen million, four hundred twenty-nine thousand, four hundred seventy-two".