64473530676188 has 6 divisors (see below), whose sum is σ = 112828678683336. Its totient is φ = 32236765338092.

The previous prime is 64473530676167. The next prime is 64473530676227. The reversal of 64473530676188 is 88167603537446.

It is a super-2 number, since 2×64473530676188² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8059191334520 + ... + 8059191334527.

It is an arithmetic number, because the mean of its divisors is an integer number (18804779780556).

Almost surely, 2^{64473530676188} is an apocalyptic number.

It is an amenable number.

64473530676188 is a deficient number, since it is larger than the sum of its proper divisors (48355148007148).

64473530676188 is a wasteful number, since it uses less digits than its factorization.

64473530676188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16118382669051 (or 16118382669049 counting only the distinct ones).

The product of its (nonzero) digits is 487710720, while the sum is 68.

The spelling of 64473530676188 in words is "sixty-four trillion, four hundred seventy-three billion, five hundred thirty million, six hundred seventy-six thousand, one hundred eighty-eight".