616464401232063 has 16 divisors (see below), whose sum is σ = 850240615629440. Its totient is φ = 396992046826656.

The previous prime is 616464401232037. The next prime is 616464401232083. The reversal of 616464401232063 is 360232104464616.

It is not a de Polignac number, because 616464401232063 - 2⁸ = 616464401231807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616464401232013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19977442645 + ... + 19977473502.

It is an arithmetic number, because the mean of its divisors is an integer number (53140038476840).

Almost surely, 2^{616464401232063} is an apocalyptic number.

616464401232063 is a deficient number, since it is larger than the sum of its proper divisors (233776214397377).

616464401232063 is a wasteful number, since it uses less digits than its factorization.

616464401232063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39954916326.

The product of its (nonzero) digits is 2985984, while the sum is 48.

Adding to 616464401232063 its reverse (360232104464616), we get a palindrome (976696505696679).

The spelling of 616464401232063 in words is "six hundred sixteen trillion, four hundred sixty-four billion, four hundred one million, two hundred thirty-two thousand, sixty-three".