10990217636 has 12 divisors (see below), whose sum is σ = 19423306140. Its totient is φ = 5440701600.

The previous prime is 10990217629. The next prime is 10990217717. The reversal of 10990217636 is 63671209901.

It can be written as a sum of positive squares in 2 ways, for example, as 8101800100 + 2888417536 = 90010^2 + 53744^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13601351 + ... + 13602158.

It is an arithmetic number, because the mean of its divisors is an integer number (1618608845).

Almost surely, 2^10990217636 is an apocalyptic number.

It is an amenable number.

10990217636 is a deficient number, since it is larger than the sum of its proper divisors (8433088504).

10990217636 is a wasteful number, since it uses less digits than its factorization.

10990217636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27203614 (or 27203612 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The spelling of 10990217636 in words is "ten billion, nine hundred ninety million, two hundred seventeen thousand, six hundred thirty-six".