1608657053 has 8 divisors (see below), whose sum is σ = 1732747776. Its totient is φ = 1489078800.

The previous prime is 1608657049. The next prime is 1608657131. The reversal of 1608657053 is 3507568061.

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

It is not a de Polignac number, because 1608657053 - 2² = 1608657049 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1608657053.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608657023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1127378 + ... + 1128803.

It is an arithmetic number, because the mean of its divisors is an integer number (216593472).

Almost surely, 2^1608657053 is an apocalyptic number.

It is an amenable number.

1608657053 is a deficient number, since it is larger than the sum of its proper divisors (124090723).

1608657053 is a wasteful number, since it uses less digits than its factorization.

1608657053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256235.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 1608657053 is about 40108.0671810547. The cubic root of 1608657053 is about 1171.7127502237.

The spelling of 1608657053 in words is "one billion, six hundred eight million, six hundred fifty-seven thousand, fifty-three".