16512052055655 has 32 divisors (see below), whose sum is σ = 29369327339520. Its totient is φ = 7866784103040.

The previous prime is 16512052055651. The next prime is 16512052055689. The reversal of 16512052055655 is 55655025021561.

It is not a de Polignac number, because 16512052055655 - 2² = 16512052055651 is a prime.

It is a super-2 number, since 2×16512052055655² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16512052055651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1365755085 + ... + 1365767174.

It is an arithmetic number, because the mean of its divisors is an integer number (917791479360).

Almost surely, 2^{16512052055655} is an apocalyptic number.

16512052055655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

16512052055655 is a deficient number, since it is larger than the sum of its proper divisors (12857275283865).

16512052055655 is a wasteful number, since it uses less digits than its factorization.

16512052055655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2731522311.

The product of its (nonzero) digits is 2250000, while the sum is 48.

The spelling of 16512052055655 in words is "sixteen trillion, five hundred twelve billion, fifty-two million, fifty-five thousand, six hundred fifty-five".