1618356496 has 20 divisors (see below), whose sum is σ = 3150432784. Its totient is φ = 805341600.

The previous prime is 1618356479. The next prime is 1618356517. The reversal of 1618356496 is 6946538161.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236310 + ... + 243061.

Almost surely, 2^1618356496 is an apocalyptic number.

1618356496 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1618356496 is a deficient number, since it is larger than the sum of its proper divisors (1532076288).

1618356496 is a wasteful number, since it uses less digits than its factorization.

1618356496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479590 (or 479584 counting only the distinct ones).

The product of its digits is 933120, while the sum is 49.

The square root of 1618356496 is about 40228.8018215805. The cubic root of 1618356496 is about 1174.0629912598.

The spelling of 1618356496 in words is "one billion, six hundred eighteen million, three hundred fifty-six thousand, four hundred ninety-six".