1608768542 has 4 divisors (see below), whose sum is σ = 2413152816. Its totient is φ = 804384270.

The previous prime is 1608768527. The next prime is 1608768569. The reversal of 1608768542 is 2458678061.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 402192134 + ... + 402192137.

It is an arithmetic number, because the mean of its divisors is an integer number (603288204).

Almost surely, 2^1608768542 is an apocalyptic number.

1608768542 is a deficient number, since it is larger than the sum of its proper divisors (804384274).

1608768542 is an equidigital number, since it uses as much as digits as its factorization.

1608768542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804384273.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 1608768542 is about 40109.4570145246. The cubic root of 1608768542 is about 1171.7398183642.

The spelling of 1608768542 in words is "one billion, six hundred eight million, seven hundred sixty-eight thousand, five hundred forty-two".