1626064884656 has 40 divisors (see below), whose sum is σ = 3341687212080. Its totient is φ = 763862104064.

The previous prime is 1626064884569. The next prime is 1626064884701. The reversal of 1626064884656 is 6564884606261.

It is a super-2 number, since 2×1626064884656² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5098466 + ... + 5408001.

It is an arithmetic number, because the mean of its divisors is an integer number (83542180302).

Almost surely, 2^{1626064884656} is an apocalyptic number.

1626064884656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1626064884656 is an abundant number, since it is smaller than the sum of its proper divisors (1715622327424).

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

1626064884656 is a wasteful number, since it uses less digits than its factorization.

1626064884656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10507061 (or 10507055 counting only the distinct ones).

The product of its (nonzero) digits is 79626240, while the sum is 62.

The spelling of 1626064884656 in words is "one trillion, six hundred twenty-six billion, sixty-four million, eight hundred eighty-four thousand, six hundred fifty-six".