616536069 has 16 divisors (see below), whose sum is σ = 847667520. Its totient is φ = 398304000.

The previous prime is 616536047. The next prime is 616536103. The reversal of 616536069 is 960635616.

It is not a de Polignac number, because 616536069 - 2¹⁵ = 616503301 is a prime.

It is a super-2 number, since 2×616536069² = 760233448755945522, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 616536069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616536469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16797 + ... + 38925.

It is an arithmetic number, because the mean of its divisors is an integer number (52979220).

Almost surely, 2^616536069 is an apocalyptic number.

It is an amenable number.

616536069 is a deficient number, since it is larger than the sum of its proper divisors (231131451).

616536069 is a wasteful number, since it uses less digits than its factorization.

616536069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22420.

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 616536069 is about 24830.1443612396. The cubic root of 616536069 is about 851.1109206735.

The spelling of 616536069 in words is "six hundred sixteen million, five hundred thirty-six thousand, sixty-nine".