612036616 has 8 divisors (see below), whose sum is σ = 1147568670. Its totient is φ = 306018304.

The previous prime is 612036583. The next prime is 612036629. The reversal of 612036616 is 616630216.

It can be written as a sum of positive squares in only one way, i.e., 344844900 + 267191716 = 18570^2 + 16346^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38252281 + ... + 38252296.

Almost surely, 2^612036616 is an apocalyptic number.

It is an amenable number.

612036616 is a deficient number, since it is larger than the sum of its proper divisors (535532054).

612036616 is a wasteful number, since it uses less digits than its factorization.

612036616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76504583 (or 76504579 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 612036616 is about 24739.3737996741. The cubic root of 612036616 is about 849.0354068168.

The spelling of 612036616 in words is "six hundred twelve million, thirty-six thousand, six hundred sixteen".