65563146 has 24 divisors (see below), whose sum is σ = 154967904. Its totient is φ = 19867560.

The previous prime is 65563097. The next prime is 65563177. The reversal of 65563146 is 64136556.

It is a super-2 number, since 2×65563146² = 8597052226834632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65563146.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165366 + ... + 165761.

It is an arithmetic number, because the mean of its divisors is an integer number (6456996).

Almost surely, 2^65563146 is an apocalyptic number.

65563146 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

65563146 is an abundant number, since it is smaller than the sum of its proper divisors (89404758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65563146 is a wasteful number, since it uses less digits than its factorization.

65563146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331146 (or 331143 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 65563146 is about 8097.1072612384. The cubic root of 65563146 is about 403.2303953017.

The spelling of 65563146 in words is "sixty-five million, five hundred sixty-three thousand, one hundred forty-six".