201612644470 has 8 divisors (see below), whose sum is σ = 362902760064. Its totient is φ = 80645057784.

The previous prime is 201612644419. The next prime is 201612644477. The reversal of 201612644470 is 74446216102.

201612644470 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201612644477) 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 3 ways as a sum of consecutive naturals, for example, 10080632214 + ... + 10080632233.

It is an arithmetic number, because the mean of its divisors is an integer number (45362845008).

Almost surely, 2^201612644470 is an apocalyptic number.

201612644470 is a deficient number, since it is larger than the sum of its proper divisors (161290115594).

201612644470 is a wasteful number, since it uses less digits than its factorization.

201612644470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20161264454.

The product of its (nonzero) digits is 64512, while the sum is 37.

The spelling of 201612644470 in words is "two hundred one billion, six hundred twelve million, six hundred forty-four thousand, four hundred seventy".