1608478454 has 8 divisors (see below), whose sum is σ = 2632055688. Its totient is φ = 731126560.

The previous prime is 1608478411. The next prime is 1608478471. The reversal of 1608478454 is 4548748061.

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

It is a junction number, because it is equal to n+sod(n) for n = 1608478399 and 1608478408.

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, 36556307 + ... + 36556350.

It is an arithmetic number, because the mean of its divisors is an integer number (329006961).

Almost surely, 2^1608478454 is an apocalyptic number.

1608478454 is a deficient number, since it is larger than the sum of its proper divisors (1023577234).

1608478454 is a wasteful number, since it uses less digits than its factorization.

1608478454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73112670.

The product of its (nonzero) digits is 860160, while the sum is 47.

The square root of 1608478454 is about 40105.8406469681. The cubic root of 1608478454 is about 1171.6693860047.

The spelling of 1608478454 in words is "one billion, six hundred eight million, four hundred seventy-eight thousand, four hundred fifty-four".