1608878324 has 6 divisors (see below), whose sum is σ = 2815537074. Its totient is φ = 804439160.

The previous prime is 1608878321. The next prime is 1608878329. The reversal of 1608878324 is 4238788061.

It can be written as a sum of positive squares in only one way, i.e., 1296720100 + 312158224 = 36010^2 + 17668^2 .

It is a super-2 number, since 2×1608878324² = 5176978922874097952, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1608878321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201109787 + ... + 201109794.

It is an arithmetic number, because the mean of its divisors is an integer number (469256179).

Almost surely, 2^1608878324 is an apocalyptic number.

It is an amenable number.

1608878324 is a deficient number, since it is larger than the sum of its proper divisors (1206658750).

1608878324 is a wasteful number, since it uses less digits than its factorization.

1608878324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402219585 (or 402219583 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 47.

The square root of 1608878324 is about 40110.8255212979. The cubic root of 1608878324 is about 1171.7664708443.

The spelling of 1608878324 in words is "one billion, six hundred eight million, eight hundred seventy-eight thousand, three hundred twenty-four".