64626266262660 has 48 divisors (see below), whose sum is σ = 180985066016832. Its totient is φ = 17230669052800.

The previous prime is 64626266262631. The next prime is 64626266262671. The reversal of 64626266262660 is 6626266262646.

It is a happy number.

64626266262660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64626266262660² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 64626266262594 and 64626266262603.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93463626 + ... + 94152545.

It is an arithmetic number, because the mean of its divisors is an integer number (3770522208684).

Almost surely, 2^{64626266262660} is an apocalyptic number.

64626266262660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

64626266262660 is an abundant number, since it is smaller than the sum of its proper divisors (116358799754172).

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

64626266262660 is a wasteful number, since it uses less digits than its factorization.

64626266262660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187621924 (or 187621922 counting only the distinct ones).

The product of its (nonzero) digits is 107495424, while the sum is 60.

The spelling of 64626266262660 in words is "sixty-four trillion, six hundred twenty-six billion, two hundred sixty-six million, two hundred sixty-two thousand, six hundred sixty".