21160146262355 has 16 divisors (see below), whose sum is σ = 26729296550400. Its totient is φ = 16036749036000.

The previous prime is 21160146262351. The next prime is 21160146262379. The reversal of 21160146262355 is 55326264106112.

It is not a de Polignac number, because 21160146262355 - 2² = 21160146262351 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21160146262351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 842480 + ... + 6559730.

It is an arithmetic number, because the mean of its divisors is an integer number (1670581034400).

Almost surely, 2^{21160146262355} is an apocalyptic number.

21160146262355 is a deficient number, since it is larger than the sum of its proper divisors (5569150288045).

21160146262355 is a wasteful number, since it uses less digits than its factorization.

21160146262355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5756234.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 21160146262355 in words is "twenty-one trillion, one hundred sixty billion, one hundred forty-six million, two hundred sixty-two thousand, three hundred fifty-five".