616161304 has 32 divisors (see below), whose sum is σ = 1271912400. Its totient is φ = 277499520.

The previous prime is 616161263. The next prime is 616161313. The reversal of 616161304 is 403161616.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22527 + ... + 41710.

Almost surely, 2^616161304 is an apocalyptic number.

It is an amenable number.

616161304 is an abundant number, since it is smaller than the sum of its proper divisors (655751096).

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

616161304 is a wasteful number, since it uses less digits than its factorization.

616161304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64363 (or 64359 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 616161304 is about 24822.5966409641. The cubic root of 616161304 is about 850.9384348285.

The spelling of 616161304 in words is "six hundred sixteen million, one hundred sixty-one thousand, three hundred four".