611746516040464 has 60 divisors (see below), whose sum is σ = 1378773734929500. Its totient is φ = 262176468470784.

The previous prime is 611746516040461. The next prime is 611746516040503. The reversal of 611746516040464 is 464040615647116.

It can be written as a sum of positive squares in 2 ways, for example, as 288369304473600 + 323377211566864 = 16981440^2 + 17982692^2 .

It is not an unprimeable number, because it can be changed into a prime (611746516040461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547873012 + ... + 548988460.

It is an arithmetic number, because the mean of its divisors is an integer number (22979562248825).

Almost surely, 2^{611746516040464} is an apocalyptic number.

It is an amenable number.

611746516040464 is an abundant number, since it is smaller than the sum of its proper divisors (767027218889036).

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

611746516040464 is a wasteful number, since it uses less digits than its factorization.

611746516040464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1815000 (or 1814987 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 611746516040464 in words is "six hundred eleven trillion, seven hundred forty-six billion, five hundred sixteen million, forty thousand, four hundred sixty-four".