551660661151 has 8 divisors (see below), whose sum is σ = 595495766880. Its totient is φ = 509479710432.

The previous prime is 551660661127. The next prime is 551660661187. The reversal of 551660661151 is 151166066155.

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 551660661151 - 2⁵ = 551660661119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551660661098 and 551660661107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551660661191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 413538060 + ... + 413539393.

It is an arithmetic number, because the mean of its divisors is an integer number (74436970860).

Almost surely, 2^551660661151 is an apocalyptic number.

551660661151 is a deficient number, since it is larger than the sum of its proper divisors (43835105729).

551660661151 is a wasteful number, since it uses less digits than its factorization.

551660661151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827077505.

The product of its (nonzero) digits is 162000, while the sum is 43.

The spelling of 551660661151 in words is "five hundred fifty-one billion, six hundred sixty million, six hundred sixty-one thousand, one hundred fifty-one".