64872507606 has 16 divisors (see below), whose sum is σ = 129932787648. Its totient is φ = 21592873800.

The previous prime is 64872507599. The next prime is 64872507611. The reversal of 64872507606 is 60670527846.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7819360 + ... + 7827651.

It is an arithmetic number, because the mean of its divisors is an integer number (8120799228).

Almost surely, 2^64872507606 is an apocalyptic number.

64872507606 is an abundant number, since it is smaller than the sum of its proper divisors (65060280042).

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

64872507606 is a wasteful number, since it uses less digits than its factorization.

64872507606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15647707.

The product of its (nonzero) digits is 3386880, while the sum is 51.

The spelling of 64872507606 in words is "sixty-four billion, eight hundred seventy-two million, five hundred seven thousand, six hundred six".