610991664034 has 16 divisors (see below), whose sum is σ = 957621958272. Its totient is φ = 291820099648.

The previous prime is 610991663999. The next prime is 610991664037. The reversal of 610991664034 is 430466199016.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (610991664037) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 8904199 + ... + 8972554.

It is an arithmetic number, because the mean of its divisors is an integer number (59851372392).

Almost surely, 2^610991664034 is an apocalyptic number.

610991664034 is a deficient number, since it is larger than the sum of its proper divisors (346630294238).

610991664034 is a wasteful number, since it uses less digits than its factorization.

610991664034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17877521.

The product of its (nonzero) digits is 839808, while the sum is 49.

The spelling of 610991664034 in words is "six hundred ten billion, nine hundred ninety-one million, six hundred sixty-four thousand, thirty-four".