551043345162 has 16 divisors (see below), whose sum is σ = 1102095529920. Its totient is φ = 183679641792.

The previous prime is 551043345133. The next prime is 551043345163. The reversal of 551043345162 is 261543340155.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 551043345162.

It is not an unprimeable number, because it can be changed into a prime (551043345163) 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, 665139 + ... + 1242777.

It is an arithmetic number, because the mean of its divisors is an integer number (68880970620).

Almost surely, 2^551043345162 is an apocalyptic number.

551043345162 is an abundant number, since it is smaller than the sum of its proper divisors (551052184758).

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

551043345162 is a wasteful number, since it uses less digits than its factorization.

551043345162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736637.

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 551043345162 in words is "five hundred fifty-one billion, forty-three million, three hundred forty-five thousand, one hundred sixty-two".