108662649 has 16 divisors (see below), whose sum is σ = 151573632. Its totient is φ = 69113088.

The previous prime is 108662647. The next prime is 108662651. The reversal of 108662649 is 946266801.

It is an interprime number because it is at equal distance from previous prime (108662647) and next prime (108662651).

It is not a de Polignac number, because 108662649 - 2¹ = 108662647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108662649.

It is not an unprimeable number, because it can be changed into a prime (108662647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28059 + ... + 31695.

It is an arithmetic number, because the mean of its divisors is an integer number (9473352).

Almost surely, 2^108662649 is an apocalyptic number.

It is an amenable number.

108662649 is a deficient number, since it is larger than the sum of its proper divisors (42910983).

108662649 is a wasteful number, since it uses less digits than its factorization.

108662649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4096.

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 108662649 is about 10424.1378060730. The cubic root of 108662649 is about 477.1923023354.

The spelling of 108662649 in words is "one hundred eight million, six hundred sixty-two thousand, six hundred forty-nine".