36521621046 has 48 divisors (see below), whose sum is σ = 79323753600. Its totient is φ = 12144140160.

The previous prime is 36521621011. The next prime is 36521621051. The reversal of 36521621046 is 64012612563.

36521621046 is a `hidden beast` number, since 3 + 6 + 5 + 21 + 621 + 0 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 36521621046.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20032891 + ... + 20034713.

It is an arithmetic number, because the mean of its divisors is an integer number (1652578200).

Almost surely, 2^36521621046 is an apocalyptic number.

36521621046 is an abundant number, since it is smaller than the sum of its proper divisors (42802132554).

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

36521621046 is a wasteful number, since it uses less digits than its factorization.

36521621046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3941 (or 3938 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 36521621046 in words is "thirty-six billion, five hundred twenty-one million, six hundred twenty-one thousand, forty-six".