51833261616 has 20 divisors (see below), whose sum is σ = 133902592632. Its totient is φ = 17277753856.

The previous prime is 51833261569. The next prime is 51833261639. The reversal of 51833261616 is 61616233815.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 539929761 + ... + 539929856.

Almost surely, 2^51833261616 is an apocalyptic number.

It is an amenable number.

51833261616 is an abundant number, since it is smaller than the sum of its proper divisors (82069331016).

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

51833261616 is a wasteful number, since it uses less digits than its factorization.

51833261616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079859628 (or 1079859622 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The spelling of 51833261616 in words is "fifty-one billion, eight hundred thirty-three million, two hundred sixty-one thousand, six hundred sixteen".