1608072534 has 64 divisors (see below), whose sum is σ = 3789434880. Its totient is φ = 503729280.

The previous prime is 1608072527. The next prime is 1608072547. The reversal of 1608072534 is 4352708061.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1129347 + ... + 1130769.

It is an arithmetic number, because the mean of its divisors is an integer number (59209920).

Almost surely, 2^1608072534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1608072534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1894717440).

1608072534 is an abundant number, since it is smaller than the sum of its proper divisors (2181362346).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1608072534 is a wasteful number, since it uses less digits than its factorization.

1608072534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2682 (or 2676 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 1608072534 is about 40100.7797181052. The cubic root of 1608072534 is about 1171.5708158208.

The spelling of 1608072534 in words is "one billion, six hundred eight million, seventy-two thousand, five hundred thirty-four".