108036643 has 16 divisors (see below), whose sum is σ = 131023872. Its totient is φ = 87732000.

The previous prime is 108036637. The next prime is 108036647. The reversal of 108036643 is 346630801.

It is a cyclic number.

It is not a de Polignac number, because 108036643 - 2¹⁷ = 107905571 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108036647) 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, 7753 + ... + 16618.

It is an arithmetic number, because the mean of its divisors is an integer number (8188992).

Almost surely, 2^108036643 is an apocalyptic number.

108036643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

108036643 is a deficient number, since it is larger than the sum of its proper divisors (22987229).

108036643 is a wasteful number, since it uses less digits than its factorization.

108036643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24426.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 108036643 is about 10394.0676830584. The cubic root of 108036643 is about 476.2741679604.

The spelling of 108036643 in words is "one hundred eight million, thirty-six thousand, six hundred forty-three".