616052101664 has 12 divisors (see below), whose sum is σ = 1212852575214. Its totient is φ = 308026050816.

The previous prime is 616052101663. The next prime is 616052101673. The reversal of 616052101664 is 466101250616.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 442879602064 + 173172499600 = 665492^2 + 416140^2 .

It is not an unprimeable number, because it can be changed into a prime (616052101663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9625814057 + ... + 9625814120.

Almost surely, 2^616052101664 is an apocalyptic number.

It is an amenable number.

616052101664 is a deficient number, since it is larger than the sum of its proper divisors (596800473550).

616052101664 is a wasteful number, since it uses less digits than its factorization.

616052101664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19251628187 (or 19251628179 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 616052101664 in words is "six hundred sixteen billion, fifty-two million, one hundred one thousand, six hundred sixty-four".