36551809506366 has 96 divisors (see below), whose sum is σ = 102394294748928. Its totient is φ = 9493976485440.

The previous prime is 36551809506343. The next prime is 36551809506371. The reversal of 36551809506366 is 66360590815563.

It is a happy number.

36551809506366 is a `hidden beast` number, since 3 + 6 + 5 + 5 + 180 + 95 + 0 + 6 + 366 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 488335855 + ... + 488410698.

It is an arithmetic number, because the mean of its divisors is an integer number (1066607236968).

Almost surely, 2^{36551809506366} is an apocalyptic number.

36551809506366 is an abundant number, since it is smaller than the sum of its proper divisors (65842485242562).

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

36551809506366 is a wasteful number, since it uses less digits than its factorization.

36551809506366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976746588 (or 976746576 counting only the distinct ones).

The product of its (nonzero) digits is 104976000, while the sum is 63.

The spelling of 36551809506366 in words is "thirty-six trillion, five hundred fifty-one billion, eight hundred nine million, five hundred six thousand, three hundred sixty-six".