53164216369 has 12 divisors (see below), whose sum is σ = 61512319120. Its totient is φ = 45787361400.

The previous prime is 53164216349. The next prime is 53164216393. The reversal of 53164216369 is 96361246135.

53164216369 = 15845² + 15846² + ... + 16053².

It is not a de Polignac number, because 53164216369 - 2⁵ = 53164216337 is a prime.

It is a super-2 number, since 2×53164216369² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53164216349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11560167 + ... + 11564764.

Almost surely, 2^53164216369 is an apocalyptic number.

It is an amenable number.

53164216369 is a deficient number, since it is larger than the sum of its proper divisors (8348102751).

53164216369 is a wasteful number, since it uses less digits than its factorization.

53164216369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23124972 (or 23124961 counting only the distinct ones).

The product of its digits is 699840, while the sum is 46.

The spelling of 53164216369 in words is "fifty-three billion, one hundred sixty-four million, two hundred sixteen thousand, three hundred sixty-nine".