616381486 has 48 divisors (see below), whose sum is σ = 1128230640. Its totient is φ = 251475840.

The previous prime is 616381481. The next prime is 616381517. The reversal of 616381486 is 684183616.

It is a happy number.

It is a super-2 number, since 2×616381486² = 759852272567136392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616381481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205981 + ... + 208951.

It is an arithmetic number, because the mean of its divisors is an integer number (23504805).

Almost surely, 2^616381486 is an apocalyptic number.

616381486 is a deficient number, since it is larger than the sum of its proper divisors (511849154).

616381486 is a wasteful number, since it uses less digits than its factorization.

616381486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3089 (or 3082 counting only the distinct ones).

The product of its digits is 165888, while the sum is 43.

The square root of 616381486 is about 24827.0313569706. The cubic root of 616381486 is about 851.0397822149.

The spelling of 616381486 in words is "six hundred sixteen million, three hundred eighty-one thousand, four hundred eighty-six".