616547052 has 60 divisors (see below), whose sum is σ = 1758311016. Its totient is φ = 186831360.

The previous prime is 616547051. The next prime is 616547077. The reversal of 616547052 is 250745616.

It is a happy number.

616547052 is a `hidden beast` number, since 61 + 6 + 547 + 0 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 616546998 and 616547016.

It is not an unprimeable number, because it can be changed into a prime (616547051) 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 in 19 ways as a sum of consecutive naturals, for example, 82933 + ... + 90060.

Almost surely, 2^616547052 is an apocalyptic number.

It is an amenable number.

616547052 is an abundant number, since it is smaller than the sum of its proper divisors (1141763964).

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

616547052 is a wasteful number, since it uses less digits than its factorization.

616547052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173020 (or 173009 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 616547052 is about 24830.3655228835. The cubic root of 616547052 is about 851.1159745523.

The spelling of 616547052 in words is "six hundred sixteen million, five hundred forty-seven thousand, fifty-two".