616661975916300 has 144 divisors (see below), whose sum is σ = 1844523547298432. Its totient is φ = 158963067648000.

The previous prime is 616661975916251. The next prime is 616661975916353. The reversal of 616661975916300 is 3619579166616.

It is a super-2 number, since 2×616661975916300² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245157226 + ... + 247659825.

Almost surely, 2^{616661975916300} is an apocalyptic number.

616661975916300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

616661975916300 is an abundant number, since it is smaller than the sum of its proper divisors (1227861571382132).

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

616661975916300 is a wasteful number, since it uses less digits than its factorization.

616661975916300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492817208 (or 492817201 counting only the distinct ones).

The product of its (nonzero) digits is 66134880, while the sum is 66.

The spelling of 616661975916300 in words is "six hundred sixteen trillion, six hundred sixty-one billion, nine hundred seventy-five million, nine hundred sixteen thousand, three hundred".