1006321165455 has 16 divisors (see below), whose sum is σ = 1610164068480. Its totient is φ = 536687887008.

The previous prime is 1006321165393. The next prime is 1006321165481. The reversal of 1006321165455 is 5545611236001.

It is not a de Polignac number, because 1006321165455 - 2⁷ = 1006321165327 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540937 + ... + 1518306.

It is an arithmetic number, because the mean of its divisors is an integer number (100635254280).

Almost surely, 2^{1006321165455} is an apocalyptic number.

1006321165455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1006321165455 is a deficient number, since it is larger than the sum of its proper divisors (603842903025).

1006321165455 is a wasteful number, since it uses less digits than its factorization.

1006321165455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091830.

The product of its (nonzero) digits is 108000, while the sum is 39.

The spelling of 1006321165455 in words is "one trillion, six billion, three hundred twenty-one million, one hundred sixty-five thousand, four hundred fifty-five".