551456015146 has 16 divisors (see below), whose sum is σ = 835854320808. Its totient is φ = 272841048000.

The previous prime is 551456015141. The next prime is 551456015171. The reversal of 551456015146 is 641510654155.

It can be written as a sum of positive squares in 4 ways, for example, as 294077359521 + 257378655625 = 542289^2 + 507325^2 .

It is not an unprimeable number, because it can be changed into a prime (551456015141) 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, 432345 + ... + 1135708.

Almost surely, 2^551456015146 is an apocalyptic number.

551456015146 is a deficient number, since it is larger than the sum of its proper divisors (284398305662).

551456015146 is a wasteful number, since it uses less digits than its factorization.

551456015146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569897.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 551456015146 in words is "five hundred fifty-one billion, four hundred fifty-six million, fifteen thousand, one hundred forty-six".