10649916 has 18 divisors (see below), whose sum is σ = 26920712. Its totient is φ = 3549960.

The previous prime is 10649909. The next prime is 10649923. The reversal of 10649916 is 61994601.

10649916 = T₃₈₉ + T₃₉₀ + ... + T₄₉₆.

10649916 is a `hidden beast` number, since 1 + 0 + 649 + 9 + 1 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (10649909) and next prime (10649923).

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×10649916² = 226841421614112, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 295831 = 10649916 / (1 + 0 + 6 + 4 + 9 + 9 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 147880 + ... + 147951.

Almost surely, 2^10649916 is an apocalyptic number.

It is an amenable number.

10649916 is an abundant number, since it is smaller than the sum of its proper divisors (16270796).

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

10649916 is a wasteful number, since it uses less digits than its factorization.

10649916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295841 (or 295836 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 10649916 is about 3263.4209045111. The cubic root of 10649916 is about 220.0131948009.

The spelling of 10649916 in words is "ten million, six hundred forty-nine thousand, nine hundred sixteen".