551666005151 has 4 divisors (see below), whose sum is σ = 551695538904. Its totient is φ = 551636471400.

The previous prime is 551666005049. The next prime is 551666005169. The reversal of 551666005151 is 151500666155.

551666005151 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 551666005151 - 2¹⁸ = 551665743007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 551666005099 and 551666005108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551666005951) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14738840 + ... + 14776221.

It is an arithmetic number, because the mean of its divisors is an integer number (137923884726).

Almost surely, 2^551666005151 is an apocalyptic number.

551666005151 is a deficient number, since it is larger than the sum of its proper divisors (29533753).

551666005151 is a wasteful number, since it uses less digits than its factorization.

551666005151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29533752.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 551666005151 in words is "five hundred fifty-one billion, six hundred sixty-six million, five thousand, one hundred fifty-one".