1606896628 has 6 divisors (see below), whose sum is σ = 2812069106. Its totient is φ = 803448312.

The previous prime is 1606896623. The next prime is 1606896631. The reversal of 1606896628 is 8266986061.

It can be written as a sum of positive squares in only one way, i.e., 1393678224 + 213218404 = 37332^2 + 14602^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606896623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200862075 + ... + 200862082.

Almost surely, 2^1606896628 is an apocalyptic number.

It is an amenable number.

1606896628 is a deficient number, since it is larger than the sum of its proper divisors (1205172478).

1606896628 is a wasteful number, since it uses less digits than its factorization.

1606896628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401724161 (or 401724159 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 52.

The square root of 1606896628 is about 40086.1151522569. The cubic root of 1606896628 is about 1171.2851750793.

The spelling of 1606896628 in words is "one billion, six hundred six million, eight hundred ninety-six thousand, six hundred twenty-eight".