1606258216 has 8 divisors (see below), whose sum is σ = 3011734170. Its totient is φ = 803129104.

The previous prime is 1606258207. The next prime is 1606258237. The reversal of 1606258216 is 6128526061.

It can be written as a sum of positive squares in only one way, i.e., 1098657316 + 507600900 = 33146^2 + 22530^2 .

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

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100391131 + ... + 100391146.

Almost surely, 2^1606258216 is an apocalyptic number.

It is an amenable number.

1606258216 is a deficient number, since it is larger than the sum of its proper divisors (1405475954).

1606258216 is a wasteful number, since it uses less digits than its factorization.

1606258216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200782283 (or 200782279 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 1606258216 is about 40078.1513545722. The cubic root of 1606258216 is about 1171.1300392837.

The spelling of 1606258216 in words is "one billion, six hundred six million, two hundred fifty-eight thousand, two hundred sixteen".