616644105033 has 128 divisors (see below), whose sum is σ = 980577736704. Its totient is φ = 343383828480.

The previous prime is 616644105029. The next prime is 616644105061. The reversal of 616644105033 is 330501446616.

616644105033 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 616644105033 - 2² = 616644105029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 616644104982 and 616644105000.

It is not an unprimeable number, because it can be changed into a prime (616644105083) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 530217910 + ... + 530219072.

It is an arithmetic number, because the mean of its divisors is an integer number (7660763568).

Almost surely, 2^616644105033 is an apocalyptic number.

It is an amenable number.

616644105033 is a deficient number, since it is larger than the sum of its proper divisors (363933631671).

616644105033 is a wasteful number, since it uses less digits than its factorization.

616644105033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The spelling of 616644105033 in words is "six hundred sixteen billion, six hundred forty-four million, one hundred five thousand, thirty-three".