65425655652456 has 128 divisors (see below), whose sum is σ = 188513862451200. Its totient is φ = 18735019457280.

The previous prime is 65425655652433. The next prime is 65425655652463.

65425655652456 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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90551560 + ... + 91271223.

It is an arithmetic number, because the mean of its divisors is an integer number (1472764550400).

Almost surely, 2^{65425655652456} is an apocalyptic number.

65425655652456 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

65425655652456 is an abundant number, since it is smaller than the sum of its proper divisors (123088206798744).

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

65425655652456 is a wasteful number, since it uses less digits than its factorization.

65425655652456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181822879 (or 181822875 counting only the distinct ones).

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

The spelling of 65425655652456 in words is "sixty-five trillion, four hundred twenty-five billion, six hundred fifty-five million, six hundred fifty-two thousand, four hundred fifty-six".