65465255256456 has 64 divisors (see below), whose sum is σ = 178542820860480. Its totient is φ = 19837821070080.

The previous prime is 65465255256431. The next prime is 65465255256469.

65465255256456 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42141570 + ... + 43667406.

It is an arithmetic number, because the mean of its divisors is an integer number (2789731575945).

Almost surely, 2^{65465255256456} is an apocalyptic number.

65465255256456 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65465255256456 is an abundant number, since it is smaller than the sum of its proper divisors (113077565604024).

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

65465255256456 is a wasteful number, since it uses less digits than its factorization.

65465255256456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688374 (or 1688370 counting only the distinct ones).

The product of its digits is 1296000000, while the sum is 66.

The spelling of 65465255256456 in words is "sixty-five trillion, four hundred sixty-five billion, two hundred fifty-five million, two hundred fifty-six thousand, four hundred fifty-six".