610884381693864 has 32 divisors (see below), whose sum is σ = 1564460001901440. Its totient is φ = 198661587542400.

The previous prime is 610884381693863. The next prime is 610884381693893. The reversal of 610884381693864 is 468396183488016.

It is not an unprimeable number, because it can be changed into a prime (610884381693863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 310408729552 + ... + 310408731519.

It is an arithmetic number, because the mean of its divisors is an integer number (48889375059420).

Almost surely, 2^{610884381693864} is an apocalyptic number.

It is an amenable number.

610884381693864 is an abundant number, since it is smaller than the sum of its proper divisors (953575620207576).

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

610884381693864 is a wasteful number, since it uses less digits than its factorization.

610884381693864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620817461121 (or 620817461117 counting only the distinct ones).

The product of its (nonzero) digits is 1146617856, while the sum is 75.

The spelling of 610884381693864 in words is "six hundred ten trillion, eight hundred eighty-four billion, three hundred eighty-one million, six hundred ninety-three thousand, eight hundred sixty-four".