610128549464 has 32 divisors (see below), whose sum is σ = 1310538700800. Its totient is φ = 260859588000.

The previous prime is 610128549431. The next prime is 610128549479. The reversal of 610128549464 is 464945821016.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 12977912 + ... + 13024839.

It is an arithmetic number, because the mean of its divisors is an integer number (40954334400).

Almost surely, 2^610128549464 is an apocalyptic number.

It is an amenable number.

610128549464 is an abundant number, since it is smaller than the sum of its proper divisors (700410151336).

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

610128549464 is a wasteful number, since it uses less digits than its factorization.

610128549464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26003183 (or 26003179 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 50.

The spelling of 610128549464 in words is "six hundred ten billion, one hundred twenty-eight million, five hundred forty-nine thousand, four hundred sixty-four".