616759536 has 80 divisors (see below), whose sum is σ = 1672392960. Its totient is φ = 195486720.

The previous prime is 616759519. The next prime is 616759543. The reversal of 616759536 is 635957616.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196056 + ... + 199176.

It is an arithmetic number, because the mean of its divisors is an integer number (20904912).

Almost surely, 2^616759536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 616759536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836196480).

616759536 is an abundant number, since it is smaller than the sum of its proper divisors (1055633424).

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

616759536 is a wasteful number, since it uses less digits than its factorization.

616759536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3334 (or 3328 counting only the distinct ones).

The product of its digits is 1020600, while the sum is 48.

The square root of 616759536 is about 24834.6438669855. The cubic root of 616759536 is about 851.2137382480.

It can be divided in two parts, 6167 and 59536, that added together give a triangular number (65703 = T₃₆₂).

The spelling of 616759536 in words is "six hundred sixteen million, seven hundred fifty-nine thousand, five hundred thirty-six".