551630737061 has 8 divisors (see below), whose sum is σ = 573519254784. Its totient is φ = 530143843680.

The previous prime is 551630737051. The next prime is 551630737087. The reversal of 551630737061 is 160737036155.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 551630737061 - 2⁶ = 551630736997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551630737051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100403285 + ... + 100408778.

It is an arithmetic number, because the mean of its divisors is an integer number (71689906848).

Almost surely, 2^551630737061 is an apocalyptic number.

It is an amenable number.

551630737061 is a deficient number, since it is larger than the sum of its proper divisors (21888517723).

551630737061 is a wasteful number, since it uses less digits than its factorization.

551630737061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200812171.

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 551630737061 in words is "five hundred fifty-one billion, six hundred thirty million, seven hundred thirty-seven thousand, sixty-one".