21160466160497 has 8 divisors (see below), whose sum is σ = 21572335984512. Its totient is φ = 20750692366800.

The previous prime is 21160466160487. The next prime is 21160466160499. The reversal of 21160466160497 is 79406166406112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21160466160497 - 2⁸ = 21160466160241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21160466160499) 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, 523987193 + ... + 524027574.

It is an arithmetic number, because the mean of its divisors is an integer number (2696541998064).

Almost surely, 2^{21160466160497} is an apocalyptic number.

It is an amenable number.

21160466160497 is a deficient number, since it is larger than the sum of its proper divisors (411869824015).

21160466160497 is a wasteful number, since it uses less digits than its factorization.

21160466160497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048015159.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 21160466160497 in words is "twenty-one trillion, one hundred sixty billion, four hundred sixty-six million, one hundred sixty thousand, four hundred ninety-seven".