616201641501064 has 32 divisors (see below), whose sum is σ = 1164196068056280. Its totient is φ = 305754281224704.

The previous prime is 616201641501041. The next prime is 616201641501073. The reversal of 616201641501064 is 460105146102616.

616201641501064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 297067355152164 + 319134286348900 = 17235642^2 + 17864330^2 .

It is a super-2 number, since 2×616201641501064² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 616201641501064.

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, 306782157 + ... + 308784220.

Almost surely, 2^{616201641501064} is an apocalyptic number.

It is an amenable number.

616201641501064 is a deficient number, since it is larger than the sum of its proper divisors (547994426555216).

616201641501064 is a wasteful number, since it uses less digits than its factorization.

616201641501064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615567337 (or 615567333 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 616201641501064 in words is "six hundred sixteen trillion, two hundred one billion, six hundred forty-one million, five hundred one thousand, sixty-four".