1616393854 has 8 divisors (see below), whose sum is σ = 2465685720. Its totient is φ = 794498616.

The previous prime is 1616393791. The next prime is 1616393879. The reversal of 1616393854 is 4583936161.

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

It is a super-2 number, since 2×1616393854² = 5225458182497946632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6849009 + ... + 6849244.

It is an arithmetic number, because the mean of its divisors is an integer number (308210715).

Almost surely, 2^1616393854 is an apocalyptic number.

1616393854 is a deficient number, since it is larger than the sum of its proper divisors (849291866).

1616393854 is a wasteful number, since it uses less digits than its factorization.

1616393854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13698314.

The product of its digits is 466560, while the sum is 46.

The square root of 1616393854 is about 40204.4009282566. The cubic root of 1616393854 is about 1173.5881891049.

The spelling of 1616393854 in words is "one billion, six hundred sixteen million, three hundred ninety-three thousand, eight hundred fifty-four".