616204552 has 8 divisors (see below), whose sum is σ = 1155383550. Its totient is φ = 308102272.

The previous prime is 616204541. The next prime is 616204573. The reversal of 616204552 is 255402616.

It can be written as a sum of positive squares in only one way, i.e., 440748036 + 175456516 = 20994^2 + 13246^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38512777 + ... + 38512792.

Almost surely, 2^616204552 is an apocalyptic number.

It is an amenable number.

616204552 is a deficient number, since it is larger than the sum of its proper divisors (539178998).

616204552 is a wasteful number, since it uses less digits than its factorization.

616204552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77025575 (or 77025571 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 616204552 is about 24823.4677674172. The cubic root of 616204552 is about 850.9583433190.

The spelling of 616204552 in words is "six hundred sixteen million, two hundred four thousand, five hundred fifty-two".