611204646486 has 48 divisors (see below), whose sum is σ = 1422840482496. Its totient is φ = 174525002064.

The previous prime is 611204646469. The next prime is 611204646499. The reversal of 611204646486 is 684646402116.

It is a happy number.

It is a super-2 number, since 2×611204646486² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 133456 + ... + 1113651.

It is an arithmetic number, because the mean of its divisors is an integer number (29642510052).

Almost surely, 2^611204646486 is an apocalyptic number.

611204646486 is an abundant number, since it is smaller than the sum of its proper divisors (811635836010).

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

611204646486 is a wasteful number, since it uses less digits than its factorization.

611204646486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248793 (or 1248786 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 48.

The spelling of 611204646486 in words is "six hundred eleven billion, two hundred four million, six hundred forty-six thousand, four hundred eighty-six".