1606463774 has 8 divisors (see below), whose sum is σ = 2415262080. Its totient is φ = 801376416.

The previous prime is 1606463759. The next prime is 1606463779. The reversal of 1606463774 is 4773646061.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1606463779) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926654 + ... + 928385.

It is an arithmetic number, because the mean of its divisors is an integer number (301907760).

Almost surely, 2^1606463774 is an apocalyptic number.

1606463774 is a deficient number, since it is larger than the sum of its proper divisors (808798306).

1606463774 is a wasteful number, since it uses less digits than its factorization.

1606463774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1855474.

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 1606463774 is about 40080.7157371223. The cubic root of 1606463774 is about 1171.1799949047.

The spelling of 1606463774 in words is "one billion, six hundred six million, four hundred sixty-three thousand, seven hundred seventy-four".