21160146262354 has 32 divisors (see below), whose sum is σ = 35031138552000. Its totient is φ = 9505725968640.

The previous prime is 21160146262351. The next prime is 21160146262379. The reversal of 21160146262354 is 45326264106112.

It is a self number, because there is not a number n which added to its sum of digits gives 21160146262354.

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, 1655697 + ... + 6712795.

It is an arithmetic number, because the mean of its divisors is an integer number (1094723079750).

Almost surely, 2^{21160146262354} is an apocalyptic number.

21160146262354 is a deficient number, since it is larger than the sum of its proper divisors (13870992289646).

21160146262354 is a wasteful number, since it uses less digits than its factorization.

21160146262354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5059338.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 21160146262354 in words is "twenty-one trillion, one hundred sixty billion, one hundred forty-six million, two hundred sixty-two thousand, three hundred fifty-four".