10618449216 has 56 divisors (see below), whose sum is σ = 28102279584. Its totient is φ = 3538521600.

The previous prime is 10618449173. The next prime is 10618449223. The reversal of 10618449216 is 61294481601.

It is a super-2 number, since 2×10618449216² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1234306 + ... + 1242878.

Almost surely, 2^10618449216 is an apocalyptic number.

10618449216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

10618449216 is an abundant number, since it is smaller than the sum of its proper divisors (17483830368).

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

10618449216 is an equidigital number, since it uses as much as digits as its factorization.

10618449216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15039 (or 15029 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 10618449216 in words is "ten billion, six hundred eighteen million, four hundred forty-nine thousand, two hundred sixteen".