108216509346590 has 32 divisors (see below), whose sum is σ = 197716898437344. Its totient is φ = 42640470006400.

The previous prime is 108216509346527. The next prime is 108216509346611. The reversal of 108216509346590 is 95643905612801.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 271742804 + ... + 272140743.

It is an arithmetic number, because the mean of its divisors is an integer number (6178653076167).

Almost surely, 2^{108216509346590} is an apocalyptic number.

108216509346590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108216509346590 is a deficient number, since it is larger than the sum of its proper divisors (89500389090754).

108216509346590 is a wasteful number, since it uses less digits than its factorization.

108216509346590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543883852.

The product of its (nonzero) digits is 13996800, while the sum is 59.

The spelling of 108216509346590 in words is "one hundred eight trillion, two hundred sixteen billion, five hundred nine million, three hundred forty-six thousand, five hundred ninety".