64504622640546 has 32 divisors (see below), whose sum is σ = 156374842766400. Its totient is φ = 19546855345440.

The previous prime is 64504622640529. The next prime is 64504622640551.

64504622640546 is a `hidden beast` number, since 6 + 4 + 5 + 0 + 4 + 6 + 226 + 405 + 4 + 6 = 666.

64504622640546 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 64504622640492 and 64504622640501.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54296819811 + ... + 54296820998.

It is an arithmetic number, because the mean of its divisors is an integer number (4886713836450).

Almost surely, 2^{64504622640546} is an apocalyptic number.

64504622640546 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

64504622640546 is an abundant number, since it is smaller than the sum of its proper divisors (91870220125854).

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

64504622640546 is a wasteful number, since it uses less digits than its factorization.

64504622640546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108593640831 (or 108593640825 counting only the distinct ones).

The product of its (nonzero) digits is 33177600, while the sum is 54.

The spelling of 64504622640546 in words is "sixty-four trillion, five hundred four billion, six hundred twenty-two million, six hundred forty thousand, five hundred forty-six".