1606671536 has 10 divisors (see below), whose sum is σ = 3112926132. Its totient is φ = 803335760.

The previous prime is 1606671533. The next prime is 1606671541. The reversal of 1606671536 is 6351766061.

It is a junction number, because it is equal to n+sod(n) for n = 1606671493 and 1606671502.

It is not an unprimeable number, because it can be changed into a prime (1606671533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50208470 + ... + 50208501.

Almost surely, 2^1606671536 is an apocalyptic number.

1606671536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1606671536 is a deficient number, since it is larger than the sum of its proper divisors (1506254596).

1606671536 is a wasteful number, since it uses less digits than its factorization.

1606671536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100416979 (or 100416973 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 41.

The square root of 1606671536 is about 40083.3074483631. The cubic root of 1606671536 is about 1171.2304818216.

The spelling of 1606671536 in words is "one billion, six hundred six million, six hundred seventy-one thousand, five hundred thirty-six".